| article html file updated | 7 February 2020 11:08 CET | Update | https://www.mdpi.com/2073-4360/8/7/250 |
| article html file updated | 5 May 2019 11:10 CEST | Update | - |
| article html file updated | 27 March 2019 09:13 CET | Update | - |
| article html file updated | 29 July 2016 13:10 CEST | Update | - |
| article html file updated | 1 July 2016 13:18 CEST | Original file | - |
| article xml uploaded. | 1 July 2016 13:17 CEST | Original file | https://www.mdpi.com/2073-4360/8/7/250/xml |
| article pdf uploaded. | 1 July 2016 13:17 CEST | Version of Record | https://www.mdpi.com/2073-4360/8/7/250/pdf |
