1. Department of Orthopaedics and Spine Surgery, Bharat Ratna Dr. Babasaheb Ambedkar Memorial Hospital, Byculla, Mumbai,
2. Spine Services, Chaitanya Spine Clinic, Cardinal Gracias Memorial Hospital, Vasai, Mumbai, Maharashtra, India,
3. Spine Services, Star Medica, Aguascalientes, Mexico,
4. Department of Orthopaedics, Lilavati Hospital and Research Centre, Bandra, Mumbai, Maharashtra, India.