This issue consists of 12 articles contributed by numerous authors affiliated with more than 51 institutions/universities from 8 countries including: USA (Georgia Southern University, Statesboro), United Kingdom (The University of Edinburgh, Edinburgh), Austria (Medical University of Innsbruck, Innsbruck) Armenia (Yerevan State Medical University, Yerevan), Peru (Red de Eficacia Clínica y Sanitaria, Lima), India (Global Center for Evidence Synthesis, Chandigarh; Medical College Kolkata, Kolkata; Christian Medical College, Vellore; Shree Bankey Bihari Dental College, Ghaziabad; Dr. D. Y. Patil Vidyapeeth, Pune; ICMR-Regional Medical Research Centre, Bhubaneswar; TRIOS Development Support, New Delhi; Kalinga Institute of Medical Sciences, Bhubaneswar; Postgraduate Institute of Medical Education and Research, Chandigarh; Baba Farid University of Health Sciences, Faridkot; North Bengal Medical College, Darjeeling; National Centre for Disease Control, Delhi; All India Institute of Medical Sciences, Nagpur; All India Institute of Medical Sciences, Bhubaneswar; Teerthanker Mahaveer Medical College and Research Center, Moradabad; Janakpuri Super Specialty Hospital, Delhi; Ravenshaw University, Cuttack; Utkal University, Bhubaneswar; SVIMS-Sri Padmavathi Medical College for Women, Tirupati; ICMR-National Institute of Epidemiology, Chennai; All India Institute of Medical Sciences, Deoghar; Sri Lalithambigai Medical College and Hospital, Chennai; Dehradun Institute of Technology, Dehradun; JSS Academy of Higher Education and Research, Mysore; Manipal Academy of Higher Education, Manipal; Swami Rama Himalayan University Swami Ram Nagar, Dehradun; Central University of Kerala, Kasaragod; Noida International University, Noida; King Georges Medical University, Lucknow; Mahatma Gandhi Medical College and Research Institute, Puducherry; National Institute of Pharmaceutical Education and Research, Hajipur; Madras Medical College, Chennai; Maharishi Markandeshwar Institute of Medical Sciences and Research, Mullana; International Institute for Population Sciences, Mumbai; SRM Institute of Science and Technology, Chennai; Indian Institute of Technology, Ropar; Siksha Bhavana Institute of Science Visvabharati, Santiniketan; CSIR-National Environmental Engineering Research Institute, Nagpur) Pakistan (Health Services Academy, Islamabad, Pakistan), Ghana (Nurses and Midwives Training College, Tamale, Northern Region, Ghana; University for Development Studies, Tamale, Northern Region, Ghana; Kintampo Municipal Hospital, Kintampo, Bono East Region, Ghana; Nursing Training College, Wa, Upper West Region, Ghana; Northern Regional Hospital, Tamale, Northern Region, Ghana; Ministry of Health, Nurses and Midwives Training College, Tamale, Northern Region, Ghana; College of Nursing and Allied Health Sciences, Nalerigu, Northeast Region, Ghana).