1. Diabetes institution, Endocrinology Research Centre, Moscow, Russia
2. Department of Clinical trial, OOO GEROPHARM, Saint Petersburg, Russia
3. Department of Endocrinology, City Outpatient Clinic No. 117, Saint Petersburg, Russia
4. Department of Endocrinology, City Hospital No. 2, Saint Petersburg, Russia
5. Department of Endocrinology, Diabetes Center Ltd, Samara, Russia
6. The Chair of Clinical Pharmacology, Yaroslavl State Medical University, Yaroslavl, Russia