Global burden of amphetamine, cannabis, cocaine and opioid use in 204 countries, 1990–2023: a Global Burden of Disease Study

• University of Khartoum (SD)
• African Institute for Mathematical Sciences (RW)

• Jimma University (ET)

tal como impresso: Mohammed Ahmed Al-Kaif

tal como impresso: Muaaz M. Alajlani

tal como impresso: Rasmieh Mustafa Al-Amer

tal como impresso: Wafa A. Aldhaleei

• Suez Canal University (EG)

tal como impresso: Abdelazeem M. Algammal

• University of Maiduguri (NG)

• University of Maiduguri (NG)

tal como impresso: Samah W. Al-Jabi

tal como impresso: Alaa B. Al-Tammemi

tal como impresso: Karem H. Alzoubi

tal como impresso: Walid A. Al-Zyoud

• Jos University Teaching Hospital (NG)
• University of Jos (NG)

• University of Medical Sciences, Ondo (NG)
• Olusegun Agagu University of Science and Technology (NG)

• University of Medical Sciences, Ondo (NG)
• Olusegun Agagu University of Science and Technology (NG)

• Wollega University (ET)
• Jimma University (ET)

• October 6 University (EG)

• University of the Gambia (GM)