| article html file updated | 6 February 2020 00:47 CET | Update | https://www.mdpi.com/2072-6643/5/3/663 |
| article html file updated | 8 May 2019 07:50 CEST | Update | - |
| article html file updated | 20 March 2019 19:14 CET | Original file | - |
| article pdf uploaded. | 4 March 2013 10:56 CET | Version of Record | https://www.mdpi.com/2072-6643/5/3/663/pdf |
