title: Comment on D.G. Hawley and F. Wolfe.
mesh_terms: D003863:Depression / Q000150:complications / Q000523:psychology*; D006801:Humans; D008027:Light; D010146:Pain / Q000150:complications / Q000523:psychology*; D012216:Rheumatic Diseases / Q000150:complications / Q000523:psychology*; D012621:Seasons