Ibrahim Issoufou

1   Department of Thoracic Surgery, Teaching Hospital Hassan II, Fez, Morocco

,

Rabiou Sani

1   Department of Thoracic Surgery, Teaching Hospital Hassan II, Fez, Morocco

,

Daouda Amadou

2   Department of Cardiovascular Surgery, Teaching Hospital Hassan II, Fez, Morocco

,

Kadre Alio

3   Department of Stomatology and Maxillofacial Surgery, Hôpital Général de Référence, Niamey, Niger

4   Department of Surgery and Surgical Specialities, Faculty of Health Sciences, Abdou Moumouni University, Niamey, Niger

,

Kaled Adamou-Nouhou

2   Department of Cardiovascular Surgery, Teaching Hospital Hassan II, Fez, Morocco

,

Marouane Lakranbi

1   Department of Thoracic Surgery, Teaching Hospital Hassan II, Fez, Morocco

5   Department of Surgery, Faculty of Medicine and Pharmacy, University Sidi Mohamed Ben Adellah, Fez, Morocco

,

Rachid Sani

4   Department of Surgery and Surgical Specialities, Faculty of Health Sciences, Abdou Moumouni University, Niamey, Niger

6   Department of General Surgery, National Hospital of Niamey, Niamey, Niger

,

Yassine Ouadnouni

1   Department of Thoracic Surgery, Teaching Hospital Hassan II, Fez, Morocco

5   Department of Surgery, Faculty of Medicine and Pharmacy, University Sidi Mohamed Ben Adellah, Fez, Morocco

,

Habibou Abarchi

4   Department of Surgery and Surgical Specialities, Faculty of Health Sciences, Abdou Moumouni University, Niamey, Niger

7   Department of Pediatric Surgery, Hospital Amirou Boubacar Diallo, Niamey, Niger

,

Mohamed Smahi

1   Department of Thoracic Surgery, Teaching Hospital Hassan II, Fez, Morocco

5   Department of Surgery, Faculty of Medicine and Pharmacy, University Sidi Mohamed Ben Adellah, Fez, Morocco