| article html file updated | 9 February 2020 13:20 CET | Update | https://www.mdpi.com/1996-1073/11/4/891 |
| article html file updated | 2 October 2019 11:48 CEST | Update | N/A |
| article html file updated | 1 May 2019 04:28 CEST | Update | N/A |
| article html file updated | 17 April 2019 04:45 CEST | Update | N/A |
| article html file updated | 29 March 2019 14:33 CET | Update | N/A |
| article html file updated | 1 May 2018 09:21 CEST | Update | N/A |
| article html file updated | 12 April 2018 14:51 CEST | Update | N/A |
| article xml uploaded. | 12 April 2018 14:50 CEST | Update | https://www.mdpi.com/1996-1073/11/4/891/xml |
| article pdf uploaded. | 12 April 2018 14:50 CEST | Updated version of record | https://www.mdpi.com/1996-1073/11/4/891/pdf |
| article html file updated | 11 April 2018 09:36 CEST | Original file | N/A |
| article pdf uploaded. | 11 April 2018 09:34 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/4/891/pdf-vor |