1. Department of Hematology, Göztepe Prof. Dr. Süleyman Yalçın City Hospital, Istanbul, Turkey,
2. Department of Gastroenterology, SBÜ Sancaktepe Şehit Prof. Dr. İlhan Varank Training and Research Hospital, Istanbul, Turkey,
3. Department of Medical Oncology, BAU Medicine School Göztepe Medical Park Hospital, Istanbul, Turkey,
4. Department of Internal Medicine, Sultan 2 Abdulhamid Han Training and Research Hospital, Istanbul, Turkey,
5. Department of Internal Medicine, Anadolu Medical Center, Kocaeli, Turkey,
6. Department of Internal Medicine, Florence Nightingale Hospital, Istanbul, Turkey