| article html file updated | 8 February 2020 05:19 CET | Update | https://www.mdpi.com/2072-6643/9/5/471 |
| article html file updated | 24 September 2019 17:09 CEST | Update | - |
| article html file updated | 3 May 2019 23:02 CEST | Update | - |
| article html file updated | 1 June 2017 07:39 CEST | Update | - |
| article html file updated | 23 May 2017 03:52 CEST | Update | - |
| article html file updated | 11 May 2017 06:00 CEST | Original file | - |
| article xml uploaded. | 11 May 2017 05:58 CEST | Original file | https://www.mdpi.com/2072-6643/9/5/471/xml |
| article pdf uploaded. | 11 May 2017 05:58 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/5/471/pdf |
