| article html file updated | 7 February 2020 11:43 CET | Update | https://www.mdpi.com/2073-4360/8/7/259 |
| article html file updated | 5 May 2019 10:07 CEST | Update | - |
| article html file updated | 27 March 2019 10:19 CET | Update | - |
| article html file updated | 29 July 2016 13:14 CEST | Update | - |
| article html file updated | 14 July 2016 13:15 CEST | Original file | - |
| article xml uploaded. | 14 July 2016 13:14 CEST | Original file | https://www.mdpi.com/2073-4360/8/7/259/xml |
| article pdf uploaded. | 14 July 2016 13:14 CEST | Version of Record | https://www.mdpi.com/2073-4360/8/7/259/pdf |
