| article html file updated | 7 February 2020 11:22 CET | Update | https://www.mdpi.com/2073-4360/8/7/254 |
| article html file updated | 5 May 2019 10:45 CEST | Update | - |
| article html file updated | 27 March 2019 09:40 CET | Update | - |
| article html file updated | 29 July 2016 13:12 CEST | Update | - |
| article html file updated | 8 July 2016 07:39 CEST | Original file | - |
| article xml uploaded. | 8 July 2016 07:38 CEST | Original file | https://www.mdpi.com/2073-4360/8/7/254/xml |
| article pdf uploaded. | 8 July 2016 07:38 CEST | Version of Record | https://www.mdpi.com/2073-4360/8/7/254/pdf |
