15 May Seminar Department of Public Health Sciences PHS Seminar with Lotta Vikström Wednesday May 15 Lotta Vikström from Umeå University will give a talk entitled "Investigating disabilities in past, present and future societies". Department of Public Health Sciences PHS Seminar with Lotta Vikström Wednesday May 15 Lotta Vikström from Umeå University will give a talk entitled "Investigating disabilities in past, present and future societies".