Nonglak Kanitsap, MD1*, Naree Wannissorn, MD.2*, Arnuparp Lekhakula, MD3*, Jakrawadee Julamanee, MD4*, Archrob Khuhapinant, MD, PhD5, Chittima Sirijerachai, MD6*, Kanchana Chansung, MD6*, Lalita Norasetthada, MD7, Weerasak Nawarawong, MD8, Suporn Chuncharunee, MD9, Pimjai Niparuck, MD10*, Kitsada Wudhikarn, MD11, Udomsak Bunworasate12, Tontanai Numbenjapon, MD13*, Kannadit Prayongratana, MD13*, Somchai Wongkhantee, MD14*, Peerapon Wong, MD15*, Tawatchai Suwanban, MD16*, Nisa Makruasi, MD17* and Tanin Intragumtornchai, MD, MSc11
1Department of Medicine, Thammasat University, Bangkok, Thailand
2Department of Pathology, Thammasart University, Prathum THani, Thailand
3Department of Internal Medicine, Faculty of Medicine, Prince of Songkla University, Hatyai, Songkhla, Thailand
4Department of Internal Medicine, Prince of Songkla University, Songkla, Thailand
5Department of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
6Department of Medicine, Khon Kaen University, Khon Kaen, Thailand
7Maharaj Nakorn Chiang Mai Hospital, Chiang Mai, Thailand
8Department of Medicine, Chiang Mai University, Chiang Mai, Thailand
9Ramathibodi Hospital, Bangkok, Thailand
10Department of Internal Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
11Department of Internal Medicine, Chulalongkorn University, Bangkok, Thailand
12King Chulalongkorn Memorial Hospital, Chulalongkorn University, Bangkok, Thailand
13Department of Medicine, Phramongkutklao Hospital and College of Medicine, Bangkok, Thailand
14Department of Internal Medicine, Khonkaen Regional Hospital, Khon Kaen, Thailand
15Department of Medicine, Naresuan University, Phitsanulok, Thailand
16Department of Medicine, Rajavithi Hospital, Bangkok, Thailand
17Department of Medicine, Srinakharinwirot University, Nakhon Nayok, Thailand