| article html file updated | 7 February 2020 19:16 CET | Update | https://www.mdpi.com/2073-4344/6/12/197 |
| article html file updated | 22 September 2019 09:32 CEST | Update | - |
| article html file updated | 4 May 2019 19:58 CEST | Update | - |
| article html file updated | 27 December 2016 11:29 CET | Update | - |
| article html file updated | 8 December 2016 08:41 CET | Original file | - |
| article xml uploaded. | 8 December 2016 08:40 CET | Original file | https://www.mdpi.com/2073-4344/6/12/197/xml |
| article pdf uploaded. | 8 December 2016 08:40 CET | Version of Record | https://www.mdpi.com/2073-4344/6/12/197/pdf |
