QPS Netherlands BV, Groningen, Netherlands
CHRU, Tours, France
Samodzielny Publiczny Zespol Gruzlicy I Chorob Pluc, Olsztyn, Poland
Hospital Universitari Vall d'Hebron, Barcelona, Spain
University Multiprofile Hospital, Clinic of gastroenterology, Sofia, Оborishte District, Bulgaria
COAMC Medical, Sofia, Bulgaria
Gastroenterology Clinic, Lozenets district, Sofia, Bulgaria
MD Andersson Cancer Hospital, Houston, Texas, United States
Woden Dermatology, Canberra, Australia
Universität Leipzig, Leipzig, Germany
Harvard Medical School - Brigham and Womens Hospital (BWH), Boston, Massachusetts, United States
University of Texas Health Sciences Center at Houston, Houston, Texas, United States
University of Texas Health Centre at Houston, Houston, Texas, United States
(For Parts A and B) Covance Clinical Research Unit Ltd, Leeds, United Kingdom
Royal Devon & Exeter Foundation NHS Trust, Exeter, Devon, United Kingdom
Edinburgh University Hospital, Edinburgh, Scotland, United Kingdom
The Newcastle Upon Tyne Hospitals NHS Foundation Trust, Newcastle, Tyne And Wear, United Kingdom