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