1. School of Nursing Mlinarska, Zagreb, Croatia
2. Department of Physiological Nursing, School of Nursing, University of California, San Francisco, United States
3. Department of Epidemiology and Biostatistics, School of Medicine, University of California, San Francisco, United States
4. Republican Specialized Scientific Practical Medical Center of Therapy and Medical Rehabilitation, Tashkent, Uzbekistan
5. Department of Cardiology, University Hospital Centre Zagreb, Zagreb, Croatia