| article html file updated | 8 February 2020 08:07 CET | Update | https://www.mdpi.com/2076-3417/7/6/608 |
| article html file updated | 25 September 2019 07:29 CEST | Update | - |
| article html file updated | 3 May 2019 17:47 CEST | Update | - |
| article html file updated | 27 June 2017 09:43 CEST | Update | - |
| article html file updated | 12 June 2017 13:38 CEST | Original file | - |
| article xml uploaded. | 12 June 2017 13:36 CEST | Update | https://www.mdpi.com/2076-3417/7/6/608/xml |
| article pdf uploaded. | 12 June 2017 13:36 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/6/608/pdf |
