| article html file updated | 7 February 2020 12:45 CET | Update | https://www.mdpi.com/1996-1073/9/8/610 |
| article html file updated | 5 May 2019 08:11 CEST | Update | - |
| article html file updated | 27 March 2019 12:21 CET | Update | - |
| article html file updated | 25 August 2016 11:28 CEST | Update | - |
| article html file updated | 3 August 2016 07:55 CEST | Original file | - |
| article xml uploaded. | 3 August 2016 07:53 CEST | Update | https://www.mdpi.com/1996-1073/9/8/610/xml |
| article pdf uploaded. | 3 August 2016 07:53 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/8/610/pdf |
