| article html file updated | 8 February 2020 12:46 CET | Update | https://www.mdpi.com/2072-6643/9/8/837 |
| article html file updated | 26 September 2019 08:37 CEST | Update | - |
| article html file updated | 3 May 2019 08:30 CEST | Update | - |
| article html file updated | 27 March 2019 19:13 CET | Update | - |
| article html file updated | 1 September 2017 05:09 CEST | Update | - |
| article html file updated | 4 August 2017 10:30 CEST | Original file | - |
| article xml uploaded. | 4 August 2017 10:28 CEST | Original file | https://www.mdpi.com/2072-6643/9/8/837/xml |
| article pdf uploaded. | 4 August 2017 10:28 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/8/837/pdf |
