Recruitment phase:1600 registered doctors in 8 months (April thru December 2005) = 16% of total contacted target.340 during the launch event in April.476 after the first mailing action in May (+41%)946 after the second mailing action in June/July (+98%)Retention PhaseMost important: 47% of registered doctors is constantly responding to the SMS received, thus ensuring a constant tracking of the programs’ effectiveness.