COMPASS: additional materials for COMPASS protocol

Conducted at the Université de Montréal, COMPASS is a series of systematic reviews and meta-analyses to synthesize the global prevalence of different psychiatric disorder in people living with amphetamine-type stimulant use disorder. Here we share complementary material to support the accepted peer-reviewed protocol to be published in the journal Systematic Review. The main manuscript and complementary material was accepted on January 20th, 2026. Complementary material includes the search, selection and extraction procedures for the pilot and the main systematic search, as well as the pilot dataset.