1. Orlandi RR, Kingdom TT, Hwang PH, Smith TL, Alt JA, Baroody FM, et al. International Consensus Statement on allergy and rhinology: rhinosinusitis. Int Forum Allergy Rhinol. 2016;6(S1):S22–209.
2. Adams PF, Hendershot GE, Marano MA, Centers for Disease Control and Prevention/National Center for Health Statistics. Current estimates from the National Health Interview Survey, 1996. Vital Health Stat. 1999;10(200):1–203.
3. Van der Veken P, Clement PA, Buisseret T, Desprechins B, Kaufman L, Derde MP. CAT-scan study of the prevalence of sinus disorders and anatomical variations in 196 children. Acta Otorhinolaryngol Belg. 1989;43(1):51–8.
4. Van Buchem FL, Peeters MF, Knottnerus JA. Maxillary sinusitis in children. Clin Otolaryngol Allied Sci. 1992;17(1):49–53.
5. Celedon JC, Litonjua AA, Weiss ST, Gold DR. Day care attendance in the first year of life and illnesses of the upper and lower respiratory tract in children with a familial history of atopy. Pediatrics. 1999;104(3 Pt 1):495–500.