Synonyms : GDNF Family Receptor 1, GDNF Family Receptor 2, GDNF Family Receptor 3, GDNF Family Receptor 4, GDNF Family Receptor Alpha 1, GDNF Family Receptor Alpha 2, GDNF Family Receptor Alpha 3, GDNF Family Receptor Alpha 4, GDNF Receptors, GFRA1 Receptor, GFRA2 Receptor