| article html file updated | 7 February 2020 13:12 CET | Update | https://www.mdpi.com/1996-1944/9/8/690 |
| article html file updated | 5 May 2019 07:20 CEST | Update | - |
| article html file updated | 27 March 2019 13:24 CET | Update | - |
| article html file updated | 26 August 2016 07:10 CEST | Update | - |
| article html file updated | 11 August 2016 12:18 CEST | Original file | - |
| article xml uploaded. | 11 August 2016 12:16 CEST | Update | https://www.mdpi.com/1996-1944/9/8/690/xml |
| article xml uploaded. | 11 August 2016 12:16 CEST | Original file | - |
| article pdf uploaded. | 11 August 2016 12:16 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/8/690/pdf |
