Identifying Customer Needs – Disabled Persons as Lead Users Hannukainen (now Helminen), P. & Hölttä-Otto, K. ASME design engineering technical conferences DETC 2006. Design Theory and Methodology (DTM). Philadelphia, PA, USA. BEST PAPER AWARD A pilot program teaching dispersed product development in collaboration with an international university Hölttä-Otto, K., Helminen, P., Ekman, K. & Roemer, T. 2007 ASEE Annual Conference. Honolulu, HI, USA.