| article html file updated | 8 February 2020 11:50 CET | Update | https://www.mdpi.com/2073-4441/9/7/552 |
| article html file updated | 26 September 2019 03:15 CEST | Update | - |
| article html file updated | 3 May 2019 10:41 CEST | Update | - |
| article html file updated | 27 March 2019 17:23 CET | Update | - |
| article html file updated | 1 August 2017 09:14 CEST | Update | - |
| article html file updated | 24 July 2017 11:44 CEST | Update | - |
| article html file updated | 24 July 2017 11:43 CEST | Original file | - |
| article xml uploaded. | 24 July 2017 11:41 CEST | Original file | https://www.mdpi.com/2073-4441/9/7/552/xml |
| article pdf uploaded. | 24 July 2017 11:41 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/7/552/pdf |
