| article html file updated | 8 February 2020 03:56 CET | Update | https://www.mdpi.com/2072-6651/9/4/143 |
| article html file updated | 24 September 2019 09:51 CEST | Update | - |
| article html file updated | 4 May 2019 01:33 CEST | Update | - |
| article html file updated | 28 April 2017 11:17 CEST | Update | - |
| article html file updated | 19 April 2017 14:53 CEST | Original file | - |
| article xml uploaded. | 19 April 2017 14:52 CEST | Update | https://www.mdpi.com/2072-6651/9/4/143/xml |
| article pdf uploaded. | 19 April 2017 14:52 CEST | Version of Record | https://www.mdpi.com/2072-6651/9/4/143/pdf |
