| article html file updated | 7 February 2020 12:04 CET | Update | https://www.mdpi.com/2072-6643/8/7/440 |
| article html file updated | 5 May 2019 09:29 CEST | Update | - |
| article html file updated | 27 March 2019 10:59 CET | Update | - |
| article html file updated | 28 July 2016 09:49 CEST | Update | - |
| article html file updated | 21 July 2016 08:40 CEST | Original file | - |
| article xml uploaded. | 21 July 2016 08:38 CEST | Original file | https://www.mdpi.com/2072-6643/8/7/440/xml |
| article pdf uploaded. | 21 July 2016 08:38 CEST | Version of Record | https://www.mdpi.com/2072-6643/8/7/440/pdf |
