| article html file updated | 9 February 2020 12:02 CET | Update | https://www.mdpi.com/1996-1944/11/4/540 |
| article html file updated | 2 October 2019 04:07 CEST | Update | N/A |
| article html file updated | 1 May 2019 07:03 CEST | Update | N/A |
| article html file updated | 17 April 2019 07:04 CEST | Update | N/A |
| article html file updated | 29 March 2019 11:37 CET | Update | N/A |
| article html file updated | 2 May 2018 14:01 CEST | Update | N/A |
| article html file updated | 31 March 2018 10:23 CEST | Original file | N/A |
| article xml uploaded. | 31 March 2018 10:22 CEST | Original file | https://www.mdpi.com/1996-1944/11/4/540/xml |
| article pdf uploaded. | 31 March 2018 10:22 CEST | Version of Record | https://www.mdpi.com/1996-1944/11/4/540/pdf |
