| article html file updated | 7 February 2020 13:54 CET | Update | https://www.mdpi.com/2073-8994/8/9/84 |
| article html file updated | 5 May 2019 06:04 CEST | Update | - |
| article html file updated | 27 March 2019 14:49 CET | Update | - |
| article html file updated | 28 September 2016 11:33 CEST | Update | - |
| article html file updated | 25 August 2016 14:38 CEST | Original file | - |
| article xml uploaded. | 25 August 2016 14:37 CEST | Update | https://www.mdpi.com/2073-8994/8/9/84/xml |
| article xml uploaded. | 25 August 2016 14:37 CEST | Original file | - |
| article pdf uploaded. | 25 August 2016 14:37 CEST | Version of Record | https://www.mdpi.com/2073-8994/8/9/84/pdf |
