TY - JOUR TI - Correction to: Conducting an observational study during an economic crisis: analysis of the treatment and follow-up phase of Greek patients participating in the ExFOS study (Hormones, (2018), 17, 4, (531-540), 10.1007/s42000-018-0077-6) AU - Aloumanis, K. AU - Kapetanos, G. AU - Alexandridis, T. AU - Drossinos, V. AU - Papaioannou, N. AU - for the Greek ExFOS study group JO - Vitamins and Hormones PY - 2019 VL - 18 TODO - 1 SP - 113 PB - Springer-Verlag SN - null TODO - 10.1007/s42000-019-00102-y TODO - erratum; error TODO - Unfortunately in the original publication, the affiliation of the author N. Papaioannou was incorrectly provided. The correct affiliation for N. Papaioannou should read as follows: 4 Laboratory for the Research of Musculoskeletal System, School of Medicine, National and Kapodistrian University of Athens, Greece. © 2019, Hellenic Endocrine Society. ER -