Syrogiannopoulos, George A.
Grivea, Ioanna N.
Moriondo, Maria
Nieddu, Francesco
Michoula, Aspasia N.
Calabrese, Maria Rita
Anthracopoulos, Michael
Azzari, Chiara
Funding for this research was provided by:
Research Committee of the University of Thessaly (3089 grant, 3089 grant, 3089 grant, 3089 grant, 3089 grant, 3089 grant, 3089 grant, 3089 grant)
Article History
Received: 16 May 2021
Accepted: 8 December 2021
First Online: 30 December 2021
Competing interests
: Dr G.A.S. has received consulting and speaking fees from GSK, MSD and Pfizer, and received research funding (for other projects distinct from this study) from Pfizer and MSD through the Investigator Initiated Research Program, paid directly to his institution. He is an unpaid member of the Hellenic National Immunization Committee. Dr C.A. has received consulting and speaking fees from Pfizer, and received funds for unrestricted research grants from Pfizer, paid directly to her institution. Drs. I.N.G., M.M., F.N., A.N.M., M.R.C., M.A.: declare no potential competing interests.