1. Department of Clinical Medicine, GIOME Academia, Aarhus University, Aarhus DK-8200, Denmark e-mail:
2. Department of Surgery, GIOME, 4/F, Clinical Sciences Building, Prince of Wales Hospital, Shatin, Hong Kong e-mail:
3. Giome DB Unit 16D, Crystal Court, Discovery Bay, NT, Hong Kong e-mail:
4. Department of Surgery, GIOME, 4/F, Clinical Sciences Building, Prince of Wales Hospital, Shatin, Hong Kong; California Medical Innovations Institute, 11107 Roselle Street, San Diego, CA 92122 e-mail: