| article html file updated | 7 February 2020 11:59 CET | Update | https://www.mdpi.com/1996-1073/9/7/564 |
| article html file updated | 5 May 2019 09:37 CEST | Update | - |
| article html file updated | 27 March 2019 10:51 CET | Update | - |
| article html file updated | 27 July 2016 10:03 CEST | Update | - |
| article html file updated | 20 July 2016 12:14 CEST | Original file | - |
| article xml uploaded. | 20 July 2016 12:13 CEST | Update | https://www.mdpi.com/1996-1073/9/7/564/xml |
| article pdf uploaded. | 20 July 2016 12:13 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/7/564/pdf |
