| article html file updated | 7 February 2020 13:59 CET | Update | https://www.mdpi.com/2076-3417/6/9/241 |
| article html file updated | 5 May 2019 05:55 CEST | Update | N/A |
| article html file updated | 27 March 2019 15:00 CET | Update | N/A |
| article html file updated | 27 September 2016 07:59 CEST | Update | N/A |
| article html file updated | 27 August 2016 03:42 CEST | Original file | N/A |
| article xml uploaded. | 27 August 2016 03:40 CEST | Original file | https://www.mdpi.com/2076-3417/6/9/241/xml |
| article pdf uploaded. | 27 August 2016 03:40 CEST | Version of Record | https://www.mdpi.com/2076-3417/6/9/241/pdf |
