| article html file updated | 8 February 2020 07:20 CET | Update | https://www.mdpi.com/2076-3417/7/6/571 |
| article html file updated | 25 September 2019 03:29 CEST | Update | - |
| article html file updated | 3 May 2019 19:14 CEST | Update | - |
| article html file updated | 27 June 2017 09:35 CEST | Update | - |
| article html file updated | 2 June 2017 13:20 CEST | Original file | - |
| article xml uploaded. | 2 June 2017 13:19 CEST | Update | https://www.mdpi.com/2076-3417/7/6/571/xml |
| article pdf uploaded. | 2 June 2017 13:19 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/6/571/pdf |
