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)

كما طُبع: Mohammed Ahmed Al-Kaif

كما طُبع: Muaaz M. Alajlani

كما طُبع: Rasmieh Mustafa Al-Amer

كما طُبع: Wafa A. Aldhaleei

• Suez Canal University (EG)

كما طُبع: Abdelazeem M. Algammal

• University of Maiduguri (NG)

• University of Maiduguri (NG)

كما طُبع: Samah W. Al-Jabi

كما طُبع: Alaa B. Al-Tammemi

كما طُبع: Karem H. Alzoubi

كما طُبع: 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)