| article html file updated | 7 February 2020 21:41 CET | Update | https://www.mdpi.com/2072-6643/9/1/78 |
| article html file updated | 22 September 2019 22:36 CEST | Update | - |
| article html file updated | 4 May 2019 14:43 CEST | Update | - |
| article html file updated | 7 February 2017 12:30 CET | Update | - |
| article html file updated | 18 January 2017 09:06 CET | Original file | - |
| article xml uploaded. | 18 January 2017 09:05 CET | Original file | https://www.mdpi.com/2072-6643/9/1/78/xml |
| article pdf uploaded. | 18 January 2017 09:05 CET | Version of Record | https://www.mdpi.com/2072-6643/9/1/78/pdf |
