small fix for trailing ","

app/models/journal_paper.rb

@@ -51,7 +51,7 @@ class JournalPaper
   def create_link
     title = []
 
-    title << (!self.authors.blank? ? self.authors : nil)
+    title << self.authors if !self.authors.blank?
     title << self.paper_title if self.paper_title.present?
     title << self.journal_title if self.journal_title.present?
     title << self.vol_no if (self.vol_no.present? && self.vol_no != "0")
@@ -63,7 +63,6 @@ class JournalPaper
     #   title << pd[0]
     # end
     title << self.year
-    title.join(', ').gsub(', ,',',')
   end
 
   # def self.member_data