| article html file updated | 7 February 2020 07:26 CET | Update | https://www.mdpi.com/1996-1944/9/4/292 |
| article html file updated | 5 May 2019 18:19 CEST | Update | N/A |
| article html file updated | 27 March 2019 02:12 CET | Update | N/A |
| article html file updated | 28 April 2016 11:09 CEST | Update | N/A |
| article html file updated | 18 April 2016 12:07 CEST | Original file | N/A |
| article xml uploaded. | 18 April 2016 12:06 CEST | Original file | https://www.mdpi.com/1996-1944/9/4/292/xml |
| article pdf uploaded. | 18 April 2016 12:06 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/4/292/pdf |
