Stavanger University Hospital, Stavanger, Norway
Stavanger University Hospital, Stavanger, Norway
Sørlandet sykehus, Kristiansand, VestAgder, Norway
OUS Rikshospitalet, dept of med gastro, Oslo, Norway
Northern General Hospital, Sheffield, United Kingdom
San Donato Hospital, Milano, Italy
Lady Davis Carmel Medical CEnter, Haifa, Israel
Stavanger University Hospital, Stavanger, Norway
St.Olavs Hospital, Trondheim, Norway
Haukeland University Hospital, Bergen, Norway
SUS, Stavanger, Norway
Central Hospital in Rogalanad, Stavanger, Norway
Stavanger University Hospital, Stavanger, Norway
University Hospital of North Norway, Tromsø, Norway
St. Olavs Hospital, Trondheim, Norway
Clinica San Rafael, Salta, Argentina
Hospital San Bernardo, Salta, Argentina
Sanatorio El Parque, Salta, Argentina
Stavanger University Hospital, Stavanger, Norway