| article html file updated | 7 February 2020 19:52 CET | Update | https://www.mdpi.com/2071-1050/8/12/1336 |
| article html file updated | 22 September 2019 12:50 CEST | Update | N/A |
| article html file updated | 4 May 2019 18:41 CEST | Update | N/A |
| article html file updated | 28 December 2016 08:23 CET | Update | N/A |
| article html file updated | 17 December 2016 11:34 CET | Original file | N/A |
| article xml uploaded. | 17 December 2016 11:33 CET | Update | https://www.mdpi.com/2071-1050/8/12/1336/xml |
| article xml uploaded. | 17 December 2016 11:33 CET | Original file | N/A |
| article pdf uploaded. | 17 December 2016 11:33 CET | Version of Record | https://www.mdpi.com/2071-1050/8/12/1336/pdf |
