Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Architecture and Design, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
![Christos Hadjichristodoulou](https://cdn.adscientificindex.com/pictures/05/1840024.jpg)
Epidemiology
Public Health
Preventive Medicine
Infectious diseases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,084
6,240
0.563
![Konstantinos Tsaras](https://cdn.adscientificindex.com/pictures/73/1843977.jpg)
Public Health
Epidemiology
Community Nursing
Nursing Education
Nursing Research
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,893
4,346
0.888
![Varvara Mouchtouri](/user/assets/images/profile/no-profile-photo.png)
Epidemiology
Transport and health
Maritime health
Health and hygiene on cruise ships
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,656
2,316
0.633
* Last 6 Years Citation Counts Rankings
![George Rachiotis](https://cdn.adscientificindex.com/pictures/ae/1842120.jpg)
Epidemiology
Occupational hygiene
Smoking
Social determinants of Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,736
2,088
0.559
* Last 6 Years Citation Counts Rankings
![Dimitrios Papagiannis](https://cdn.adscientificindex.com/pictures/4f/1840581.jpg)
Public Health
Vaccines
Nursing
Epidemiology.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,494
1,330
0.890
* Last 6 Years Citation Counts Rankings
![Polychronis Kostoulas](https://cdn.adscientificindex.com/pictures/66/1846221.jpg)
Epidemiology
Bayesian analysis
Evaluation of diagnostic tests
Early warning of epidemics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,857
1,320
0.711
* Last 6 Years Citation Counts Rankings
![Rena I Kosti](https://cdn.adscientificindex.com/pictures/ae/908318.jpg)
public health
obesity
food
epidemiology
nutrition
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,500
1,190
0.476
* Last 6 Years Citation Counts Rankings
![Christos Zilidis](/user/assets/images/profile/no-profile-photo.png)
Public Health
Epidemiology
Health Policy
Health Services Evaluation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
230
151
0.657
* Last 6 Years Citation Counts Rankings
![Eleftherios Meletis](https://cdn.adscientificindex.com/pictures/0b/5626966.jpg)
Public Health
Epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
141
140
0.993
* Last 6 Years Citation Counts Rankings
![Petros Kassas](https://cdn.adscientificindex.com/pictures/53/5461253.jpg)
Public health
Epidemiology
One health
Primary health care
Obstructive sleep apnoea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14
14
1.000
Christos Hadjichristodoulou
University of Thessaly
Volos, Greece
![Greece](/flags/gr.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,084
6,240
0.563
Epidemiology
Public Health
Preventive Medicine
Infectious diseases
Konstantinos Tsaras
University of Thessaly
Volos, Greece
![Greece](/flags/gr.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,893
4,346
0.888
Public Health
Epidemiology
Community Nursing
Nursing Education
Nursing Research
Varvara Mouchtouri
University of Thessaly
Volos, Greece
![Greece](/flags/gr.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,656
2,316
0.633
Epidemiology
Transport and health
Maritime health
Health and hygiene on cruise ships
George Rachiotis
University of Thessaly
Volos, Greece
![Greece](/flags/gr.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,736
2,088
0.559
Epidemiology
Occupational hygiene
Smoking
Social determinants of Health
Dimitrios Papagiannis
University of Thessaly
Volos, Greece
![Greece](/flags/gr.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,494
1,330
0.890
Public Health
Vaccines
Nursing
Epidemiology.
Polychronis Kostoulas
University of Thessaly
Volos, Greece
![Greece](/flags/gr.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,857
1,320
0.711
Epidemiology
Bayesian analysis
Evaluation of diagnostic tests
Early warning of epidemics
Rena I Kosti
University of Thessaly
Volos, Greece
![Greece](/flags/gr.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,500
1,190
0.476
public health
obesity
food
epidemiology
nutrition
Christos Zilidis
University of Thessaly
Volos, Greece
![Greece](/flags/gr.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
230
151
0.657
Public Health
Epidemiology
Health Policy
Health Services Evaluation
Eleftherios Meletis
University of Thessaly
Volos, Greece
![Greece](/flags/gr.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
141
140
0.993
Public Health
Epidemiology
Petros Kassas
University of Thessaly
Volos, Greece
![Greece](/flags/gr.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14
14
1.000
Public health
Epidemiology
One health
Primary health care
Obstructive sleep apnoea