| article html file updated | 8 February 2020 22:48 CET | Update | https://www.mdpi.com/1996-1073/10/12/1996 |
| article html file updated | 28 September 2019 21:46 CEST | Update | N/A |
| article html file updated | 2 May 2019 11:22 CEST | Update | N/A |
| article html file updated | 18 April 2019 09:00 CEST | Update | N/A |
| article html file updated | 2 January 2018 19:02 CET | Update | N/A |
| article html file updated | 1 December 2017 13:39 CET | Original file | N/A |
| article xml uploaded. | 1 December 2017 13:38 CET | Update | https://www.mdpi.com/1996-1073/10/12/1996/xml |
| article xml uploaded. | 1 December 2017 13:37 CET | Original file | N/A |
| article pdf uploaded. | 1 December 2017 13:37 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/1996/pdf |
