Internet Usage by Polish Patients With Multiple Sclerosis: A Multicenter Questionnaire Study

Andrzej Potemkowski   ^{1 *} , MD, PhD ;   Waldemar Brola   ^{2 *} , MD, PhD ;   Anna Ratajczak   ^{3 *} , MD, PhD ;   Marcin Ratajczak   ^{4 *} , MD, PhD ;   Jacek Zaborski   ^{5 *} , MD, PhD ;   Elżbieta Jasińska   ⁶ , MD, PhD ;   Anna Pokryszko-Dragan   ^{7 *} , MD, PhD ;   Ewa Gruszka   ^{7 *} , MD, PhD ;   Marta Dubik-Jezierzańska   ^{8 *} , MD, PhD ;   Aleksandra Podlecka-Piętowska   ^{9 *} , MD, PhD ;   Monika Nojszewska   ^{9 *} , MD, PhD ;   Krystyna Gospodarczyk-Szot   ^{9 *} , MD ;   Adam Stępień   ^{10 *} , MD, PhD ;   Katarzyna Gocyła-Dudar   ^{10 *} , MD, ;   Marzena Maciągowska-Terela   ^{10 *} , MD, PhD ;   Jacek Wencel   ^{11 *} , MD, PhD ;   Radosław Kaźmierski   ^{11 *} , MD, PhD ;   Alina Kułakowska   ^{12 *} , MD, PhD ;   Katarzyna Kapica-Topczewska   ^{12 *} , MD, PhD ;   Witold Pawełczak   ^{13 *} , MD ;   Halina Bartosik-Psujek   ^{14 *} , MD, PhD

¹ Department of Clinical Psychology and Psychoprophylaxis, University of Szczecin, Szczecin, Poland

² Institute of Physiotherapy, Faculty of Medicine and Health Sciences, Jan Kochanowski University, Kielce, Poland

³ Pomeranian Medical University, Szczecin, Poland

⁴ Clinical Trial Centre, EuroMedis, Szczecin, Poland

⁵ Department of Neurology, Specialist Hospital in Międzylesie, Warsaw, Poland

⁶ Clinical Center, RESMEDICA, Kielce, Poland

⁷ Department of Neurology, Wroclaw Medical University, Wroclaw, Poland

⁸ Outpatient MS Clinic, Lower Silesian Specialistic Hospital, Wroclaw, Poland

⁹ Department of Neurology, Medical University of Warsaw, Warsaw, Poland

¹⁰ Department of Neurology, Military Institute of Medicine, Warsaw, Poland

¹¹ Department of Neurology and Cerebrovascular Disorders, L Bierkowski Hospital, Poznan University of Medical Sciences, Poznan, Poland

¹² Department of Neurology, Medical University of Białystok, Białystok, Poland

¹³ Department of Neurology, Specialist Hospital, Kalisz, Poland

¹⁴ Medical Faculty, University of Rzeszów, Rzeszów, Poland

*these authors contributed equally