| article html file updated | 8 February 2020 05:15 CET | Update | https://www.mdpi.com/2072-6643/9/5/468 |
| article html file updated | 24 September 2019 16:42 CEST | Update | - |
| article html file updated | 3 May 2019 23:11 CEST | Update | - |
| article html file updated | 1 June 2017 07:38 CEST | Update | - |
| article html file updated | 23 May 2017 03:49 CEST | Update | - |
| article html file updated | 6 May 2017 12:52 CEST | Original file | - |
| article xml uploaded. | 6 May 2017 12:51 CEST | Original file | https://www.mdpi.com/2072-6643/9/5/468/xml |
| article pdf uploaded. | 6 May 2017 12:51 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/5/468/pdf |
