| article html file updated | 7 February 2020 12:31 CET | Update | https://www.mdpi.com/2073-4352/6/8/86 |
| article html file updated | 5 May 2019 08:38 CEST | Update | - |
| article html file updated | 27 March 2019 11:49 CET | Update | - |
| article html file updated | 25 August 2016 11:43 CEST | Update | - |
| article html file updated | 29 July 2016 09:43 CEST | Original file | - |
| article xml uploaded. | 29 July 2016 09:41 CEST | Original file | https://www.mdpi.com/2073-4352/6/8/86/xml |
| article pdf uploaded. | 29 July 2016 09:41 CEST | Version of Record | https://www.mdpi.com/2073-4352/6/8/86/pdf |
