Institutions	Collaborators
1st Department of Pediatrics, University of Athens “Aghia Sofia” Children's Hospital	Dimitra Koukou, Maria Noni
2nd Department of Pediatrics, University of Athens Aglaia Kyriakou Hospital	Nikolaos Spyridis
3rd Department of Pediatrics, University of Athens, Attikon Hospital of Athens	Michalis Kalogiannis
Hippokration Hospital of Thessaloniki	Elisavet Mihailidou, Olga Tsiatsiou, Eleni Papadimitriou
Pediatric Department, University Hospital of Larissa	Aspasia Michoula, Eftychia Svarna, Kontogianni Stavroula
University General Hospital of Heraklion	Eleni Vergadi
Papageorgiou General Hospital of Thessaloniki	Athanasios Evangeliou, Panagiota Karananou
Gennimatas General Hospital of Thessaloniki	Parthena Kabouridou
Pediatric Department, University Hospital of Patras	Despina Gkentzi
AHEPA University General Hospital of Thessaloniki	Asimina Galli-Tsinopoulou
University General Hospital of Alexandroupolis	Aggelos Tsalkidis
University Hospital of Ioannina	Ekaterini Siomou
General Hospital of Halkidiki	Natalia Kessidou
General Hospital of Thiva	Loukia Zografou
General Hospital of Chania	Panagiota Hinou
Children Hospital of Patras	Ourania Papageorgiou Gogou
General Hospital of Serres	Aphroditi Stabouli
General Hospital of Ptolemaida	Dimitrios Kifonidis
General Hospital of Chios	Kirikas Zannikos
General Hospital of Pirgos	Maria Anastasopoulou
General Hospital of Argolida	Stavros Antonopoulos
General Hospital of Nikaia	Zlatka Nikitaki
General Hospital of Tripoli	Ioanna Antoniou-Kokkofiti
General Hospital of Kastoria	Eleni Tsiviki, Dimitra Naoum
General Hospital of Lemnos	Theodora Anagnostopoulou
“Asklipio” General Hospital of Voula, Athens	Efrosini Tsekoura
General Hospital of Elefsina “Thriasio”	Aspasia Dalaka
General Hospital of Kalamata	Vaios Katsaros
Children Hospital of Penteli	Voula Kostaridou
Euroclinic Hospital of Athens	Eleni Tsapra
Metropolitan Hospital of Athens	Ioanna Velissariou
Iaso Hospital of Athens	Theodora Liakopoulou-Tsitsipi, Ekaterini Agrafiotou
Mitera Hospital of Athens	Evangelia Lagkona, Lemonia Tsartsali
General Hospital of Lesvos	Maria Panaretou
General Hospital of Cefalonia	Calypso Danelatou
Venizelio General Hospital of Heraklion	Georgia Vlahaki
General Hospital of Xanthi	Stamatia Antoniou
General Hospital of Kilkis	Sofia Chrisostomidou
General Hospital of Larissa	Sofia Alevra Kokkali
General Hospital of Giannitsa	Georgios Koutsos
General Hospital of Korinthos	Alexia Gkergki
General Hospital of Zakynthos	Maria-Evangelia Alifanti
General Hospital of Chalkida	Eleni Makri
General Hospital of Aghios Nikolaos	Maria Katsouraki
General Hospital of Rhodes	Konstantinos Aggelopoulos
General Hospital of Lamia	Konstantina Chatziemmanouil
“Tzaneio” General Hospital of Athens	Georgios Traintafillidis
General Hospital of Sitia	Maria Malathraki
General Hospital of Drama	Evangelos Babalis
General Hospital of Kavala	Irini Georeli
General Hospital of Livadia	Georgia Tsiliki
General Hospital of Veria	Eleni Vourti
General Hospital of Kozani	Ioannis Hastas
General Hospital of Corfu	Ioannis Hatzopoulos
General Hospital of Trikala	Nikoleta Koniari
General Hospital of Grevena	Konstantina Chatzi
General Hospital of Karditsa	Tatiana Toumaggelova
General Hospital of Rethimno	Elisavet Giannousi
General Hospital of Katerini	Klea Aktseli