1. Center of Preventive Cardiology, Research Institute of Cardiology after Levon Hovhannisyan , 5 P. Sevak str., Yerevan 0014 , Armenia
2. Armenian Union for the Prevention and Study of Hypertension , 5 P. Sevak str., Yerevan 0014 , Armenia
3. Cardiology Department, Yerevan State Medical University after Mkhitar Heratsi , 2 Koryun str., Yerevan 0025 , Armenia
4. Imperial Clinical Trials Unit, Imperial College London , Stadium House, 68 Wood Lane, London W12 7RH , UK
5. Department of Primary Care and Public Health, Imperial College London , St Dunstan’s Road, London W6 8RP , UK