Guided self-help via internet for panic disorder: Dissemination across countries. - Tine Nordgreen; Beate Standal; Heidi Mannes; Thomas Haug; Børge Sivertsen; Per Carlbring; Gerhard Andersson; Einar Heiervang; Odd E. Havik (Comput. Hum. Behav., 2010)