| article html file updated | 8 February 2020 14:41 CET | Update | https://www.mdpi.com/2076-3417/7/9/880 |
| article html file updated | 26 September 2019 19:20 CEST | Update | N/A |
| article html file updated | 3 May 2019 04:45 CEST | Update | N/A |
| article html file updated | 26 September 2017 12:29 CEST | Update | N/A |
| article html file updated | 28 August 2017 14:44 CEST | Original file | N/A |
| article xml uploaded. | 28 August 2017 14:43 CEST | Original file | https://www.mdpi.com/2076-3417/7/9/880/xml |
| article pdf uploaded. | 28 August 2017 14:43 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/9/880/pdf |
