Nurhayat Usman Division of Digestive Surgery, Department of General Surgery, Faculty of Medicine, Universitas Padjadjaran/Dr. Hasan Sadikin General Hospital, Bandung Indonesia
Tommy Ruchimat Division of Digestive Surgery, Department of General Surgery, Faculty of Medicine, Universitas Padjadjaran/Dr. Hasan Sadikin General Hospital, Bandung Indonesia
Andhika Rahmawan General Surgery, Faculty of Medicine, Faculty of Medicine, Universitas Padjadjaran/Dr. Hasan Sadikin General Hospital, Bandung Indonesia