article published in 2004 meta-analysis of the research at the time on the environment and how it effects the healing process

article published in 2004 meta-analysis of the research at the time on the environment and how it effects the healing process The article was published in 2004 and was a meta-analysis of the research at the time on the environment and how it effects the healing process. They discuss that there is a need for further research, I would wonder what more research has been completed in the last 10 years?