Nikolaos is a consultant in methodology for Enhance Reviews Limited. He received his medical degree from the University of Thessaly (Greece) in 2004 and his PhD from the University of Ioannina Medical School (Greece) in 2008. Nikolaos has worked on empirical and methodological studies on meta-analysis and statistical heterogeneity. He is currently working on statistical genetics in Brigham and Women’s Hospital and Harvard Medical School.