| article html file updated | 7 February 2020 11:15 CET | Update | https://www.mdpi.com/2073-4360/8/7/252 |
| article html file updated | 5 May 2019 10:57 CEST | Update | - |
| article html file updated | 27 March 2019 09:27 CET | Update | - |
| article html file updated | 29 July 2016 13:11 CEST | Update | - |
| article html file updated | 5 July 2016 11:51 CEST | Original file | - |
| article xml uploaded. | 5 July 2016 11:50 CEST | Original file | https://www.mdpi.com/2073-4360/8/7/252/xml |
| article pdf uploaded. | 5 July 2016 11:50 CEST | Version of Record | https://www.mdpi.com/2073-4360/8/7/252/pdf |
