| article html file updated | 8 February 2020 02:46 CET | Update | https://www.mdpi.com/2072-6643/9/4/350 |
| article html file updated | 24 September 2019 03:13 CEST | Update | - |
| article html file updated | 4 May 2019 03:53 CEST | Update | - |
| article html file updated | 28 April 2017 11:46 CEST | Update | - |
| article html file updated | 1 April 2017 11:46 CEST | Original file | - |
| article xml uploaded. | 1 April 2017 11:45 CEST | Original file | https://www.mdpi.com/2072-6643/9/4/350/xml |
| article pdf uploaded. | 1 April 2017 11:45 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/4/350/pdf |
