diff --git a/smash/import_file.py b/smash/import_file.py
index d3a2e78cadb86978fc3b2c7d1dd4aa66d59160be..d9a007a073f5df29236421f348605905cae0a33a 100644
--- a/smash/import_file.py
+++ b/smash/import_file.py
@@ -13,18 +13,35 @@ from operator import itemgetter
 from collections import OrderedDict, defaultdict
 import sys
 import string
+from django.contrib.auth.models import User
 from web.models.constants import VOUCHER_STATUS_IN_USE, SUBJECT_TYPE_CHOICES_PATIENT, GLOBAL_STUDY_ID, SEX_CHOICES, SEX_CHOICES_MALE, SEX_CHOICES_FEMALE
 from web.algorithm import VerhoeffAlgorithm, LuhnAlgorithm
 from web.utils import is_valid_social_security_number
 
 from web.models import VoucherType, Voucher, Country, AppointmentTypeLink, AppointmentType, Study, Worker, Language, Subject, WorkerStudyRole, StudySubject, Location, FlyingTeam, Visit, Appointment, AppointmentType
 
-from web.models.worker_study_role import WORKER_STAFF, ROLE_CHOICES_SECRETARY, ROLE_CHOICES_HEALTH_PARTNER, \
+from web.models.worker_study_role import ROLE_CHOICES_TECHNICIAN, WORKER_STAFF, ROLE_CHOICES_SECRETARY, ROLE_CHOICES_HEALTH_PARTNER, \
     WORKER_HEALTH_PARTNER, ROLE_CHOICES_VOUCHER_PARTNER, WORKER_VOUCHER_PARTNER
 
 DEFAULT_LOCATION = 'CHL'
+DEFAULT_LOCATION_PREFIX = 'P'
 date_regex = re.compile(r'\d{1,2}\.\d{1,2}\.\d{4}')
 
+def get_new_screening_number(screening_number_prefix):
+    result_number = 0
+    subjects = StudySubject.objects.filter(screening_number__contains=screening_number_prefix)
+    for subject in subjects:
+        screening_numbers = subject.screening_number.split(";")
+        for screening_number in screening_numbers:
+            screening_number = screening_number.strip()
+            if screening_number.startswith(screening_number_prefix):
+                number = screening_number[len(screening_number_prefix)+1:]
+                try:
+                    result_number = max(result_number, int(number))
+                except ValueError:
+                    pass
+
+    return screening_number_prefix + '-' + str(result_number + 1).zfill(3)
 
 def itembetter(items, lst):
     if len(items) == 1:
@@ -233,6 +250,7 @@ voucher_partners = {}
 voucher_partners['ZIT'] = 'Zitha'
 def add_subject_vouchers(voucher_reference, referral, voucher_types):
     nd_number, date, voucher_partner, voucher_type, num = voucher_reference.split('-')
+    nd_number = nd_number.upper().replace('ND', 'PDP')
     issue_date = datetime.datetime.strptime(date, '%Y%m%d')
     expiry_date = issue_date + datetime.timedelta(days=365)
     usage_partner, created = Worker.objects.update_or_create(
@@ -314,15 +332,18 @@ def parse_row(index, row, visit_columns, appointmentTypes, voucher_types):
     # If no FT, then default location is CHL
     ft = None
     location = None
+    prefix = None
     if not row['FLYING TEAM (FT)']:
+        prefix = DEFAULT_LOCATION_PREFIX
         location, created = Location.objects.get_or_create(
-            name=DEFAULT_LOCATION)
+            name=DEFAULT_LOCATION, prefix=prefix)
         if created:
             logging.warn('New location added: {}'.format(DEFAULT_LOCATION))
         location.save()
     else:
+        prefix = 'F'
         location, created = Location.objects.get_or_create(
-            name='Flying Team')
+            name='Flying Team', prefix=prefix)
         if created:
             logging.warn('New location added: Flying Team')
         location.save()
@@ -373,13 +394,13 @@ def parse_row(index, row, visit_columns, appointmentTypes, voucher_types):
 
     # StudySubject
     study = Study.objects.filter(id=GLOBAL_STUDY_ID)[0]
-
-    studySubject, created = StudySubject.objects.get_or_create(subject=subject, nd_number=row['ND NUMBER'],
+    nd_number = row['ND NUMBER'].upper().replace('ND', 'PDP')
+    studySubject, created = StudySubject.objects.get_or_create(subject=subject, nd_number=nd_number,
                                                                defaults={
         'subject': subject,
         'study': study,
         'postponed': row['POSTPONED'],
-        'nd_number': row['ND NUMBER'],
+        'nd_number': nd_number,
         'resigned': row['RESIGNED'],
         'resign_reason': row['REASON'],
         'type': SUBJECT_TYPE_CHOICES_PATIENT,
@@ -389,6 +410,7 @@ def parse_row(index, row, visit_columns, appointmentTypes, voucher_types):
         'comments': row['COMMENT'],
         'default_location': location,
         'flying_team': ft,
+        'screening_number': get_new_screening_number(prefix),
         'date_added': parse_column_date_of_birth(row['DATE ADDED (V1)'])
     })
 
@@ -397,7 +419,7 @@ def parse_row(index, row, visit_columns, appointmentTypes, voucher_types):
     studySubject.save()
 
     if created:
-        logging.warn('New StudySubject added with ND number: {}'.format(row['ND NUMBER']))
+        logging.warn('New StudySubject added with ND number: {}'.format(nd_number))
 
     #VOUCHERS
     voucher_references = row['VOUCHER REFERENCE']
@@ -427,7 +449,7 @@ def parse_row(index, row, visit_columns, appointmentTypes, voucher_types):
             'is_finished': True})
     if created:
         logging.warn('New Visit added for ND number {} starting on {}'.format(
-            row['ND NUMBER'], datetime_begin))
+            nd_number, datetime_begin))
 
     appointment_types = appointmentTypes[:len(set(visit_dates))] #in this case appointment types are incremental
     visit.appointment_types.set(appointment_types)
@@ -459,6 +481,39 @@ def parse_row(index, row, visit_columns, appointmentTypes, voucher_types):
                 appointment_type=appointment_type)
             date_when += datetime.timedelta(
                 minutes=appointment_type.default_duration)
+            app_type_link.save()
+
+def createWorker(username='admin', email='carlos.vega@uni.lu', 
+    password='pdptestpassword1234', first_name='LCSB', last_name='Admin',
+    specialization='Technician', unit='LCSB'):
+
+        # create user
+        defaults = {'email': email, 'password': password}
+        user, _ = User.objects.update_or_create(username=username, defaults=defaults)
+        user.set_password(password)
+        user.is_superuser = True
+        user.is_staff = True
+        user.is_admin = True
+        user.save()
+
+        # create worker
+        defaults = {'first_name': first_name, 'last_name': last_name,
+                    'email': email, 'unit': unit, 'specialization': specialization
+                    , 'user': user}
+        worker, _ = Worker.objects.update_or_create(first_name=first_name,
+                                                    last_name=last_name, defaults=defaults)
+
+        
+        locations = Location.objects.all()
+        worker.locations.set(locations)
+        languages = Language.objects.all()
+        worker.languages.set(languages)
+        worker.save()
+
+        # create workerStudyRole
+        workerStudyRole, _ = WorkerStudyRole.objects.update_or_create(worker=worker,
+                                                                      study_id=GLOBAL_STUDY_ID, role=ROLE_CHOICES_TECHNICIAN)
+        logging.info('SuperUser and Worker {} created'.format(username))
 
 if __name__ == '__main__':
     logging.basicConfig(level=logging.DEBUG)
@@ -483,6 +538,7 @@ if __name__ == '__main__':
     #enable vouchers
     study.columns.voucher_types = True
     study.columns.vouchers = True
+    study.nd_number_study_subject_regex = r'^PDP\d{4}$'
     study.columns.save()
     study.save()
     #
@@ -500,3 +556,5 @@ if __name__ == '__main__':
     # process each row
     for index, row in df.iterrows():
         parse_row(index, row, visit_columns, appointmentTypes, voucher_types)
+    #create worker and super user
+    createWorker()
\ No newline at end of file