| article html file updated | 7 February 2020 19:16 CET | Update | https://www.mdpi.com/2220-9964/5/12/235 |
| article html file updated | 22 September 2019 09:33 CEST | Update | - |
| article html file updated | 4 May 2019 19:58 CEST | Update | - |
| article html file updated | 28 December 2016 10:45 CET | Update | - |
| article html file updated | 8 December 2016 08:44 CET | Original file | - |
| article xml uploaded. | 8 December 2016 08:42 CET | Original file | https://www.mdpi.com/2220-9964/5/12/235/xml |
| article pdf uploaded. | 8 December 2016 08:42 CET | Version of Record | https://www.mdpi.com/2220-9964/5/12/235/pdf |
