Reminders Appointment 1 Appointments and Schedules 1 Colombia 1 Commitment devices 1 Education 1 Electronic Mail 1 Field experiments 1 Financial education 1 Humans 1 No-shows 1 Nonattendance 1 Orthodontics 1 Patient Preference 1 Private Practice 1 Reminder Systems 1 Retrospective Studies 1 Savings 1 Self control 1 Telephone 1 Text Messaging 1 Text-messages 1 Youth 1 adult 1 article 1 case report 1 central bank 1 clinical article 1 e-mail 1 education 1