1. Volume 73, Issue 3, Pages 406-418 (March 2018)
Efficacy and Safety of Sacral and Percutaneous Tibial Neuromodulation in Non- neurogenic Lower Urinary Tract Dysfunction and Chronic Pelvic Pain: A Systematic Review of the Literature 
Manuela Tutolo, Enrico Ammirati, John Heesakkers, Thomas M. Kessler, Kenneth M. Peters, Tina Rashid, Karl-Dietrich Sievert, Michele Spinelli, Giacomo Novara, Frank Van der Aa, Dirk De Ridder 
European Urology 
Volume 73, Issue 3, Pages (March 2018)
DOI: /j.eururo
Copyright © 2017 European Association of Urology Terms and Conditions

2. Fig. 1
PRISMA flow diagram. LUTS=lower urinary tract syndrome; PRISMA=Preferred Reporting Items for Systematic Reviews and Meta-analyses.
European Urology  , DOI: ( /j.eururo )
Copyright © 2017 European Association of Urology Terms and Conditions

3. Fig. 2 Risk of bias assessment in randomised studies.
European Urology  , DOI: ( /j.eururo )
Copyright © 2017 European Association of Urology Terms and Conditions

4. Fig. 3 Risk of bias assessment in nonrandomised studies.
European Urology  , DOI: ( /j.eururo )
Copyright © 2017 European Association of Urology Terms and Conditions