TY - JOUR TI - Depression, anxiety, traumatic stress and burnout in healthcare workers (HCWs) during the COVID-19 pandemic in Greece:a multi-center, cross-sectional study AU - Athanasiou, Nikolaos AU - Pappa, Sofia AU - Patrinos, Stavros and AU - Barmparessou, Zafeiria AU - Tsikrika, Stamatoula AU - Adraktas, Andreas AU - and Pataka, Athanasia AU - Migdalis, Ilias AU - Gida, Sofia and AU - Katsaounou, Paraskevi JO - European Respiratory Journal PY - 2021 VL - 58 TODO - 65 SP - null PB - EUROPEAN RESPIRATORY SOC JOURNALS LTD SN - 0903-1936, 1399-3003 TODO - 10.1183/13993003.congress-2021.PA1172 TODO - Covid-19 TODO - null ER -