Here is another systematic review of from the Norwegian, Brazilian, British and Greek stable.
A systematic review with procedural assessments and meta-analysis of Low Level Laser Therapy in lateral elbow tendinopathy (tennis elbow)
As usual it finds that less power density is more effective (less power density, but more time) for reducing inflammation and improving tissue repair. It is a recurring theme on this blog and I hope you are making a note of it.
About James Carroll
THOR Photomedicine Founder and CEO
Editor of the "Literature Watch" on PMLS
Speaker on dose rate effects of light & NIR radiation
Fellow of the Royal Society of Medicine
Assoc Member Institute of Physics