Advances in neuropathic pain: diagnosis, mechanisms, and treatment recommendations. - Dworkin,R.H.; Backonja,M.; Rowbotham,M.C.; Allen,R.R.; Argoff,C.R.; Bennett,G.J.; Bushnell,M.C.; Farrar,J.T.; Galer,B.S.; Haythornthwaite,J.A.; Hewitt,D.J.; Loeser,J.D.; et al. (Arch Neurol, 2003)