Ronald Ronald Department of Surgery, Faculty of Medicine Universitas Padjadjaran/ Dr. Hasan Sadikin General Hospital, Bandung Indonesia
Teguh Marfen Djajakusumah Department of Surgery, Faculty of Medicine Universitas Padjadjaran/ Dr. Hasan Sadikin General Hospital, Bandung Indonesia
Rani Septrina Department of Surgery, Faculty of Medicine Universitas Padjadjaran/ Dr. Hasan Sadikin General Hospital, Bandung Indonesia