Depart of Physical Medicine Medicine National Taiwan University Hospital, Taiwan

Department of Physical Medicine & Rehabilitation, National Taiwan University Hospital

Phd (New Zealand) Changi General Hospital, Singapore

Consultant in Spinal Injuries and Rehabilitation Medicine, Honorary Senior Lecturer, University of Sheffield, UK

Assistant Professor, Department of Medicine, Division of PMR, University of Toronto

Physiatrist, Tanta, Egypt

Physiatrist, Riyadh, Saudi Arabia