1. Department of Physical Medicine and RehabilitationUniversity of Santo Tomas Hospital
2. Department of Physical Medicine and Rehabilitation, Our Lady of Lourdes Hospital Manila Philippines
3. East Avenue Medical Center Quezon City, Philippines College of Rehabilitation Sciences, University of Santo Tomas Manila Philippines
4. Faculty of Medicine and Surgery, Department of Rehabilitation Medicine
5. Faculty of Medicine and Surgery, Department of Medicine, Section of Rheumatology, Clinical Immunology and OsteoporosisUniversity of Santo Tomas, Manila Philippines
6. Department of Orthopedic SurgeryUniversity of Santo Tomas Hospital
7. University of the Philippines, College of Statistics