| article html file updated | 7 February 2020 13:38 CET | Update | https://www.mdpi.com/1996-1944/9/8/706 |
| article html file updated | 5 May 2019 06:33 CEST | Update | - |
| article html file updated | 27 March 2019 14:15 CET | Update | - |
| article html file updated | 26 August 2016 07:13 CEST | Update | - |
| article html file updated | 20 August 2016 11:16 CEST | Original file | - |
| article xml uploaded. | 20 August 2016 11:15 CEST | Update | https://www.mdpi.com/1996-1944/9/8/706/xml |
| article xml uploaded. | 20 August 2016 11:15 CEST | Original file | - |
| article pdf uploaded. | 20 August 2016 11:15 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/8/706/pdf |
