| article html file updated | 7 February 2020 13:17 CET | Update | https://www.mdpi.com/2076-3417/6/8/228 |
| article html file updated | 5 May 2019 07:11 CEST | Update | - |
| article html file updated | 27 March 2019 13:34 CET | Update | - |
| article html file updated | 25 August 2016 07:15 CEST | Update | - |
| article html file updated | 13 August 2016 08:03 CEST | Original file | - |
| article xml uploaded. | 13 August 2016 08:01 CEST | Update | https://www.mdpi.com/2076-3417/6/8/228/xml |
| article xml uploaded. | 13 August 2016 08:01 CEST | Original file | - |
| article pdf uploaded. | 13 August 2016 08:01 CEST | Version of Record | https://www.mdpi.com/2076-3417/6/8/228/pdf |
