Corresponding Author

Samson G. Khachatryan

Department of Neurology and Neurosurgery, National Institute of Health, Yerevan, Armenia

Somnus Neurology Clinic, Center for Sleep and Movement Disorders, Yerevan, Armenia

Correspondence

Samson G. Khachatryan, "Somnus" Sleep and Movement Disorders Center, Chairman, Department of Neurology and Neurosurgery, National Institute of Health, Titogradyan 14, Yerevan, 0087, Armenia.

Email: drsamkhach@gmail.com