Vol. 56 No. 1 (2026): VOLUME 56, NO. 1 JANUARY - JUNE 2026

This issue presents 12 scientific articles. There are at least 13 contributing institutions, which include Universitas Sebelas Maret, Universitas Sumatera Utara, Universitas Andalas, Universitas Indonesia, Universitas Gadjah Mada, Udayana University, Universitas Hasanuddin, Universitas Trisakti, Universitas Sriwijaya, Universitas Brawijaya, Universitas Negeri Padang, Hermina Banyumanik Hospital, and Achmad Darwis Hospital. Geographically, the identifiable affiliations span at least 9 provinces in Indonesia: Central Java, North Sumatra, West Sumatra, Jakarta (DKI Jakarta), Special Region of Yogyakarta, Bali, South Sulawesi, South Sumatra, and East Java. All identifiable author affiliations are based in Indonesia.