1 | Technological Educational Institute of Athens, Athens, Greece |
2 | Department of Critical Care and Pulmonary Services, University of Athens Medical School, Evangelismos Hospital, Athens, Greece |
3 | Cyprus University of Technology, Department of Nursing, Limassol, Cyprus |
4 | Technological Educational Institute of Athens, Department of Midwifery, Athens, Greece |
5 | General maternity district hospital, Helena Venizelou, Athens, Greece |
6 | Department of Pulmonary Medicine and Critical Care, Medical School of the National and Kapodistrian University, Athens, Greece |