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

Wehlin Lena, Ljungman Margaretha, Kühlmann-Berenzon Sharon, Galanis Ilias, Huygen Kris, Pierard Denis, Dalby Tine, Petridou Evi, Molnár Zsuzsanna, Carollo Maria, Ausiello Clara M., Lipnickiene Vilnele, Haider Julie, Aase Audun, Herstad Tove Karin, Rastawicki Waldemar, Rio Carla, Popovici Odette, Manchon Fernando De Ory, Bacci Sabrina, Barkoff Alex-Mikael, Hänninen Arno, He Qiushui, Hallander Hans

Versteegen Pauline, Valente Pinto Marta, Barkoff Alex M., van Gageldonk Pieter G.M., Kassteele Jan.v.d., van Houten Marlies A., Sanders Elisabeth A.M., de Groot Ronald, Diavatopoulos Dimitri A., Bibi Sagida, Luoto Raakel, He Qiushui, Buisman Anne-Marie, Kelly Dominic F., Mertsola Jussi, Berbers Guy A.M.

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

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

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.

Barkoff AM, He Q