| article html file updated | 9 February 2020 07:09 CET | Update | https://www.mdpi.com/1996-1944/11/2/310 |
| article html file updated | 30 September 2019 22:19 CEST | Update | N/A |
| article html file updated | 1 May 2019 17:20 CEST | Update | N/A |
| article html file updated | 17 April 2019 16:42 CEST | Update | N/A |
| article html file updated | 29 March 2019 00:25 CET | Update | N/A |
| article html file updated | 14 March 2018 16:13 CET | Update | N/A |
| article html file updated | 24 February 2018 09:21 CET | Original file | N/A |
| article xml uploaded. | 24 February 2018 09:19 CET | Original file | https://www.mdpi.com/1996-1944/11/2/310/xml |
| article pdf uploaded. | 24 February 2018 09:19 CET | Updated version of record | https://www.mdpi.com/1996-1944/11/2/310/pdf |
| article pdf uploaded. | 21 February 2018 05:01 CET | Version of Record | https://www.mdpi.com/1996-1944/11/2/310/pdf-vor |
