Systematic and other reviews: Criteria and complexities

Affiliations

• ¹ Drexel Univ Medical School, United States of America.
• ² Univ of Kentucky Hospital, United States of America.
• ³ Nose and Throat Journal.
• ⁴ Vanderbilt Univ Hospital, United States of America.
• ⁵ Univ Hospitals of Birmingham, United Kingdom of Great Britain and Northern Ireland.
• ⁶ Penn State Univ, United States of America.
• ⁷ MD Anderson, United States of America.
• ⁸ Medical College of Wisconsin, United States of America.
• ⁹ Northwell Health Hofstra School of Med, United States of America.
• ¹⁰ Temple Univ, United States of America.
• ¹¹ Univ Penn Medical Center, United States of America.
• ¹² Mayo Clinic, United States of America.
• ¹³ Columbia Univ Hospital, United States of America.
• ¹⁴ Cornell Univ Hospital, United States of America.
• ¹⁵ Cleveland Clinic, United States of America.
• ¹⁶ Univ of Iowa, United States of America.
• ¹⁷ Cambridge Univ Hospitals, United Kingdom of Great Britain and Northern Ireland.
• ¹⁸ Boston Univ Medical Center, United States of America. Electronic address: pcyweber@me.com.
• ¹⁹ Mass Eye and Ear Infirmary, United States of America.