| article html file updated | 8 February 2020 14:02 CET | Update | https://www.mdpi.com/2072-6643/9/8/872 |
| article html file updated | 26 September 2019 15:49 CEST | Update | - |
| article html file updated | 3 May 2019 06:00 CEST | Update | - |
| article html file updated | 1 September 2017 05:11 CEST | Update | - |
| article html file updated | 21 August 2017 08:52 CEST | Original file | - |
| article xml uploaded. | 21 August 2017 08:51 CEST | Original file | https://www.mdpi.com/2072-6643/9/8/872/xml |
| article pdf uploaded. | 21 August 2017 08:51 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/8/872/pdf |
