Parents’ vaccination information seeking, satisfaction with and trust in medical providers in Switzerland: a mixed-methods study oleh Kristen Jafflin, Sonja Merten, Andrea Buhl, Daniel Krüerke, Michael J Deml, Philip E Tarr, Selina Jana Ebi, Rebecca Engel, Julia Picker, Julia Häusler, Bernhard Wingeier, Benedikt M Huber