| article html file updated | 7 February 2020 12:21 CET | Update | https://www.mdpi.com/1996-1944/9/8/619 |
| article html file updated | 5 May 2019 08:58 CEST | Update | - |
| article html file updated | 27 March 2019 11:29 CET | Update | - |
| article html file updated | 26 August 2016 06:49 CEST | Update | - |
| article html file updated | 26 July 2016 16:26 CEST | Original file | - |
| article xml uploaded. | 26 July 2016 16:25 CEST | Update | https://www.mdpi.com/1996-1944/9/8/619/xml |
| article pdf uploaded. | 26 July 2016 16:25 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/8/619/pdf |
