Ahvenainen Niina, Dub Timothee, Knuutila Aapo, Barkoff Alex M, Sane Jussi, He Quishui

Knuutila Aapo, Barkoff Alex M, Mertsola Jussi, Osicka Radim, Sebo Peter, He Qiushui

Berbers Guy, van Gageldonk Pieter, van de Kassteele Jan, Wiedermann Ursula, Desombere Isabelle, Dalby Tine, Toubiana Julie, Tsiodras Sotirios, Ferencz Ildikó Paluska, Mullan Kathryn, Griskevicius Algirdas, Kolupajeva Tatjana, Vestrheim Didrik Frimann, Palminha Paula, Popovici Odette, Wehlin Lena, Kastrin Tamara, Maďarová Lucia, Campbell Helen, Ködmön Csaba, Bacci Sabrina, Barkoff Alex-Mikael, He Qiushui; Serosurveillance Study Team

Aapo Knuutila, Tine Dalby, Alex-Mikael Barkoff, Charlotte Sværke Jørgensen, Kurt Fuursted, Jussi Mertsola, Kevin Markey, Qiushui He

Matti Korppi, Johanna Teräsjärvi, Milla Liehu-Martiskainen, Alex-Mikael Barkoff, Eero Lauhkonen, Heini Huhtala, Laura Pöyhönen, Kirsi Nuolivirta, Qiushui He

Vitor Botafogo, Martín Pérez-Andres, María Jara-Acevedo, Paloma Bárcena, Georgiana Grigore, Alejandro Hernández-Delgado, Daniela Damasceno, Suzanne Comans, Elena Blanco, Alfonso Romero, Sonia Arriba-Méndez, Irene Gastaca-Abasolo, Carlos Eduardo Pedreira, Jacqueline A. M. van Gaans-van den Brink, Véronique Corbiere, Françoise Mascart, Cécile A. C. M. van Els, Alex-Mikael Barkoff, Andrea Mayado, Jacques J. M. van Dongen, Julia Almeida, Alberto Orfao; EuroFlow and PERISCOPE consortia

Matti Korppi, Johanna Teräsjärvi, Alex‐Mikael Barkoff, Eero Lauhkonen, Heini Huhtala, Kirsi Nuolivirta, Qiushui He

T. Kastrin, A.-M. Barkoff, M. Paragi, M. G. Vitek, J. Mertsola, Q. He

Markey K, Douglas-Bardsley A, Asokanathan C, Fry NK, Barkoff AM, Bacci S, Kodmon C, He QS

Barkoff A-M., Mertsola J., Pierard D., Dalby T., Hoegh S.V., Guillot S., Stefanelli P., van Gent M., Berbers G., Vestrheim D., Greve-Isdahl M., Wehlin L., Ljungman M., Fry N.K., Markey K., He Q.S.