| article html file updated | 9 February 2020 01:29 CET | Update | https://www.mdpi.com/1996-1944/11/1/50 |
| article html file updated | 29 September 2019 13:24 CEST | Update | N/A |
| article html file updated | 2 May 2019 05:30 CEST | Update | N/A |
| article html file updated | 18 April 2019 03:31 CEST | Update | N/A |
| article html file updated | 28 March 2019 11:53 CET | Update | N/A |
| article html file updated | 1 February 2018 14:18 CET | Update | N/A |
| article html file updated | 29 December 2017 09:11 CET | Original file | N/A |
| article xml uploaded. | 29 December 2017 09:10 CET | Update | https://www.mdpi.com/1996-1944/11/1/50/xml |
| article xml uploaded. | 29 December 2017 09:10 CET | Original file | N/A |
| article pdf uploaded. | 29 December 2017 09:10 CET | Version of Record | https://www.mdpi.com/1996-1944/11/1/50/pdf |
