Participants are assigned randomly to receive either CBT or AC for 8 weeks. Participants assigned to CBT receive weekly 1-hour sessions of CBT for 8 weeks; participants assigned to AC receive 6 telephone contacts and 2 in-person sessions for 8 weeks. After 8 weeks, CBT participants who respond to treatment enter Phase II, which lasts an additional 8 weeks and includes 4 in-person maintenance sessions. AC participants who are still symptomatic after 8 weeks are offered CBT.