| article html file updated | 7 February 2020 19:19 CET | Update | https://www.mdpi.com/1996-1073/9/12/1033 |
| article html file updated | 22 September 2019 09:48 CEST | Update | N/A |
| article html file updated | 4 May 2019 19:52 CEST | Update | N/A |
| article html file updated | 28 December 2016 09:00 CET | Update | N/A |
| article html file updated | 8 December 2016 13:03 CET | Original file | N/A |
| article xml uploaded. | 8 December 2016 13:01 CET | Update | https://www.mdpi.com/1996-1073/9/12/1033/xml |
| article xml uploaded. | 8 December 2016 13:01 CET | Original file | N/A |
| article pdf uploaded. | 8 December 2016 13:01 CET | Version of Record | https://www.mdpi.com/1996-1073/9/12/1033/pdf |
