| article html file updated | 7 February 2020 14:05 CET | Update | https://www.mdpi.com/2076-3417/6/9/246 |
| article html file updated | 5 May 2019 05:44 CEST | Update | - |
| article html file updated | 27 March 2019 15:14 CET | Update | - |
| article html file updated | 27 September 2016 08:01 CEST | Update | - |
| article html file updated | 30 August 2016 09:32 CEST | Original file | - |
| article xml uploaded. | 30 August 2016 09:31 CEST | Original file | https://www.mdpi.com/2076-3417/6/9/246/xml |
| article pdf uploaded. | 30 August 2016 09:31 CEST | Version of Record | https://www.mdpi.com/2076-3417/6/9/246/pdf |
