Department of Physiotherapy, Centre for Diabetic Foot Care and Research, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India. Department of Physiotherapy, Centre for Diabetic Foot Care and Research, Manipal College of Health Professions, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India. arun.maiya.g@gmail.com. Independent Systematic Reviewer, Luton, Bedfordshire, UK. Department of Medicine, Melaka Manipal Medical College, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India. Department of Medicine, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India.