1. Division of Vascular and Endovascular Surgery, Department of Surgery, Faculty of Medicine, Padjadjaran University, Bandung, Indonesia
2. Faculty of Medicine, Pelita Harapan University, Tangerang, Indonesia
3. Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
4. Department of Orthopaedic and Traumatology, Faculty of Medicine, Padjadjaran University, Bandung, Indonesia
5. Division of Digestive Surgery, Department of Surgery, Faculty of Medicine, Padjadjaran University, Bandung, Indonesia
6. Department of Physiology, Faculty of Medicine, Padjadjaran University, Bandung, Indonesia.