| article html file updated | 9 February 2020 00:23 CET | Update | https://www.mdpi.com/1996-1944/10/12/1439 |
| article html file updated | 29 September 2019 07:04 CEST | Update | N/A |
| article html file updated | 2 May 2019 07:53 CEST | Update | N/A |
| article html file updated | 18 April 2019 05:43 CEST | Update | N/A |
| article html file updated | 2 January 2018 19:40 CET | Update | N/A |
| article html file updated | 18 December 2017 09:35 CET | Original file | N/A |
| article xml uploaded. | 18 December 2017 09:34 CET | Update | https://www.mdpi.com/1996-1944/10/12/1439/xml |
| article xml uploaded. | 18 December 2017 09:34 CET | Original file | N/A |
| article pdf uploaded. | 18 December 2017 09:34 CET | Version of Record | https://www.mdpi.com/1996-1944/10/12/1439/pdf |
