Uji validitas dan reliabilitas kuesioner acne-specific quality of life berbahasa Indonesia acne-qol-ina pada pasien akne vulgaris di RSUPN dr. Cipto Mangunkusumo = Validity and reliability test of acne specific quality of life questionnaire in bahasa indonesia acne-qol-ina on acne vulgaris patient at dr Cipto Mangunkusumo Hospital