| article html file updated | 9 February 2020 12:31 CET | Update | https://www.mdpi.com/1996-1073/11/4/838 |
| article html file updated | 2 October 2019 06:46 CEST | Update | N/A |
| article html file updated | 1 May 2019 06:08 CEST | Update | N/A |
| article html file updated | 17 April 2019 06:14 CEST | Update | N/A |
| article html file updated | 29 March 2019 12:40 CET | Update | N/A |
| article html file updated | 1 May 2018 09:04 CEST | Update | N/A |
| article html file updated | 4 April 2018 12:28 CEST | Original file | N/A |
| article xml uploaded. | 4 April 2018 12:26 CEST | Update | https://www.mdpi.com/1996-1073/11/4/838/xml |
| article pdf uploaded. | 4 April 2018 12:26 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/4/838/pdf |