A. Ramani-Chander,R. Joshi,J. van Olmen,E. Wouters,P. Delobelle,R. Vedanthan,J. J. Miranda,B. Oldenburg,S. Sherwood,L. B. Rawal,R. J. Mash,V. E. Irazola,M. Martens,M. Lazo-Porras,H. Liu,G. Agarwal,G. Waqa,M. S. Marcolino,M. E. Esandi,A. L. P. Ribeiro,A. Probandari,F. González-Salazar,A. Shrestha,S. Sujarwoto,N. Levitt,M. Paredes,T. Sugishita,M. Batal,Y. Li,H. Haghparast-Bidgoli,V. Naanyu,F. J. He,P. Zhang,S. G. Mfinanga,J. W. De Neve,M. Daivadanam,K. Siddiqi,P. Geldsetzer,K. Klipstein-Grobusch,M. D. Huffman,J. Webster,D. Ojji,A. Beratarrechea,M. Tian,M. Postma,M. O. Owolabi,J. Birungi,L. Antonietti,Z. Ortiz,A. Patel,D. Peiris,D. Schouw,J. Koot,K. Nakamura,G. Tampubolon and A. G. Thrift. Applying systems thinking to identify enablers and challenges to scale-up interventions for hypertension and diabetes in low-income and middle-income countries: protocol for a longitudinal mixed-methods study. BMJ Open. 2022;12(4):10.1136/bmjopen-2021-053122.