1. Department of Neurology and Ram Gopal Chamaria Medical Research Centre (RGC)Institute of Neurosciences Kolkata India
2. ElectroCore LLC Basking Ridge New Jersey USA
3. Department of NeurologyRoyal Victoria Infirmary Newcastle upon Tyne UK
4. Department of Clinical NeurophysiologyRoyal Victoria Infirmary Newcastle UK
5. Institute of Neurosciences, Newcastle University Newcastle upon Tyne UK