| article html file updated | 7 February 2020 20:25 CET | Update | https://www.mdpi.com/2072-6643/9/1/16 |
| article html file updated | 22 September 2019 15:51 CEST | Update | - |
| article html file updated | 4 May 2019 17:34 CEST | Update | - |
| article html file updated | 7 February 2017 12:18 CET | Update | - |
| article html file updated | 28 December 2016 10:13 CET | Original file | - |
| article xml uploaded. | 28 December 2016 10:11 CET | Update | https://www.mdpi.com/2072-6643/9/1/16/xml |
| article xml uploaded. | 28 December 2016 10:11 CET | Original file | - |
| article pdf uploaded. | 28 December 2016 10:11 CET | Version of Record | https://www.mdpi.com/2072-6643/9/1/16/pdf |
