| article html file updated | 7 February 2020 13:16 CET | Update | https://www.mdpi.com/1996-1944/9/8/693 |
| article html file updated | 5 May 2019 07:14 CEST | Update | N/A |
| article html file updated | 27 March 2019 13:31 CET | Update | N/A |
| article html file updated | 26 August 2016 07:10 CEST | Update | N/A |
| article html file updated | 12 August 2016 13:39 CEST | Original file | N/A |
| article xml uploaded. | 12 August 2016 13:38 CEST | Original file | https://www.mdpi.com/1996-1944/9/8/693/xml |
| article pdf uploaded. | 12 August 2016 13:38 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/8/693/pdf |
