1. Dr. Kalyan Banerjee's Clinic, New Delhi, India.
2. Homeopathy Research Institute, London, United Kingdom.
3. NIHR Health Protection Research Unit (HPRU) in Healthcare-Associated Infections and Antimicrobial Resistance, Imperial College London, London, United Kingdom.
4. Centre for Evidence-Based Medicine, Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom.