1 Harvard Medical School, Boston, USA Tribhuvan University Teaching Hospital, Institute of Medicine, Kathmandu, Nepal Department of Medicine, Dow University of Health Sciences, Karachi, Pakistan Department of Medicine, King Edward Medical University, Mayo Hospital, Lahore, Pakistan Department of Veterinary Sciences and Animal Husbandry, Amrita School of Agricultural Sciences, Amrita Vishwa Vidyapeetham University, Coimbatore, 642109, Tamil Nadu, India Division of Veterinary Clinical Complex, Faculty of Veterinary Sciences and Animal Husbandry, Sher-E-Kashmir University of Agricultural Sciences and Technology of Kashmir, Shalimar, Shuhama, Alusteng, SrinagarSrinagar, 190006, Jammu and Kashmir, India Department of Biotechnology, Maharishi Markandeshwar University (Deemed to be University), Mullana, Ambala, 133207, Haryana, India Division of Pathology, ICAR-Indian Veterinary Research Institute, Bareilly, Izatnagar, Uttar Pradesh, 243122, India.