| article html file updated | 8 February 2020 08:56 CET | Update | https://www.mdpi.com/2073-4441/9/7/450 |
| article html file updated | 25 September 2019 11:47 CEST | Update | - |
| article html file updated | 3 May 2019 16:14 CEST | Update | - |
| article html file updated | 1 August 2017 09:29 CEST | Update | - |
| article html file updated | 22 June 2017 11:38 CEST | Original file | - |
| article xml uploaded. | 22 June 2017 10:38 CEST | Update | https://www.mdpi.com/2073-4441/9/7/450/xml |
| article pdf uploaded. | 22 June 2017 10:38 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/7/450/pdf |
