Submitted: 11 Oct 2018
Accepted: 11 Feb 2019
First published online: 17 Feb 2019
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J Cardiovasc Thorac Res. 2019;11(1):78-78.
doi: 10.15171/jcvtr.2019.14
  Abstract View: 34
  PDF Download: 42

Letter to Editor

Considering the design effect in cluster sampling

Yousef Alimohamadi 1,2 ORCiD, Mojtaba Sepandi 3,4 *

1 Pars Advanced and Minimally Invasive Medical Manners Research Center, Pars Hospital, Iran University of Medical Sciences, Tehran, Iran
2 Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
3 Health Research Center, Lifestyle Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
4 Department of Epidemiology and Biostatistics, Faculty of Health, Baqiyatallah University of Medical Sciences, Tehran, Iran
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