| article html file updated | 7 February 2020 12:33 CET | Update | https://www.mdpi.com/2076-3417/6/8/217 |
| article html file updated | 5 May 2019 08:35 CEST | Update | - |
| article html file updated | 27 March 2019 11:51 CET | Update | - |
| article html file updated | 25 August 2016 07:12 CEST | Update | - |
| article html file updated | 29 July 2016 11:50 CEST | Original file | - |
| article xml uploaded. | 29 July 2016 11:48 CEST | Update | https://www.mdpi.com/2076-3417/6/8/217/xml |
| article pdf uploaded. | 29 July 2016 11:48 CEST | Version of Record | https://www.mdpi.com/2076-3417/6/8/217/pdf |
