| article html file updated | 7 February 2020 19:45 CET | Update | https://www.mdpi.com/2075-4450/7/4/78 |
| article html file updated | 22 September 2019 12:16 CEST | Update | - |
| article html file updated | 4 May 2019 18:55 CEST | Update | - |
| article html file updated | 29 December 2016 04:34 CET | Update | - |
| article html file updated | 16 December 2016 11:22 CET | Original file | - |
| article xml uploaded. | 16 December 2016 11:21 CET | Original file | https://www.mdpi.com/2075-4450/7/4/78/xml |
| article pdf uploaded. | 16 December 2016 11:21 CET | Version of Record | https://www.mdpi.com/2075-4450/7/4/78/pdf |
