Table 1.: Features of Popular Nephrology-Focused Websites

Nephrology- Focused Websites	URL	Multimedia Resources	Authorship Diversity	Automated Surfing	Mobile Access	User Access Fees	HONcode Certification
Nephrology On-Demand	http://www.nephrologyondemand.org	Yes	Yes	Yes	Yes	No	Yes
ASN Learning Center	http://www.asn-online.org/education_and_meetings/distancelearning/learning-center.aspx	Yes	No	No	No	Yes	No
Hypertension, Dialysis, Clinical Nephrology (HDCN)	http://www.hdcn.com	Yes	No	Yes	No	Yes	No
Renal Fellows Network	http://renalfellow.blogspot.com	No	No	Yes	Yes	No	Yes
UKidney	http://www.ukidney.com	Yes	No	Yes	No	No	No
Wikikidney	http://wikikidney.org/index.php/Main_Page	No	Unclear	No	Yes	No	No
History of Nephrology	http://historyofnephrology.blogspot.com/	No	No	No	No	No	No
Nephron Power	http://www.nephronpower.com/	No	No	Yes	No	No	No
Pediatric Nephrology	https://www.pediatric-nephrology.com/index.php	Yes	No	No	No	No	No
Clinical Cases Nephrology	http://clinicalcases.org/2005/07/nephrology-cases.html	No	No	Yes	Yes	No	No
Global Kidney Academy	http://www.gkaonlineacademy.com/	Yes	Yes	No	Yes	No	No