| article html file updated | 8 February 2020 13:40 CET | Update | https://www.mdpi.com/2073-4441/9/8/611 |
| article html file updated | 3 May 2019 06:43 CEST | Update | - |
| article html file updated | 27 March 2019 21:05 CET | Update | - |
| article html file updated | 1 September 2017 08:19 CEST | Update | - |
| article html file updated | 16 August 2017 12:56 CEST | Original file | - |
| article xml uploaded. | 16 August 2017 12:55 CEST | Original file | https://www.mdpi.com/2073-4441/9/8/611/xml |
| article pdf uploaded. | 16 August 2017 12:54 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/8/611/pdf |
