| article html file updated | 7 February 2020 21:24 CET | Update | https://www.mdpi.com/2072-6643/9/1/66 |
| article html file updated | 22 September 2019 20:58 CEST | Update | - |
| article html file updated | 4 May 2019 15:27 CEST | Update | - |
| article html file updated | 7 February 2017 12:29 CET | Update | - |
| article html file updated | 13 January 2017 11:43 CET | Original file | - |
| article xml uploaded. | 13 January 2017 11:41 CET | Update | https://www.mdpi.com/2072-6643/9/1/66/xml |
| article xml uploaded. | 13 January 2017 11:41 CET | Original file | - |
| article pdf uploaded. | 13 January 2017 11:41 CET | Version of Record | https://www.mdpi.com/2072-6643/9/1/66/pdf |
