| article html file updated | 7 February 2020 20:08 CET | Update | https://www.mdpi.com/2076-3417/7/1/17 |
| article html file updated | 22 September 2019 14:14 CEST | Update | - |
| article html file updated | 4 May 2019 18:10 CEST | Update | - |
| article html file updated | 8 February 2017 08:51 CET | Update | - |
| article html file updated | 22 December 2016 11:59 CET | Original file | - |
| article xml uploaded. | 22 December 2016 11:58 CET | Original file | https://www.mdpi.com/2076-3417/7/1/17/xml |
| article pdf uploaded. | 22 December 2016 11:58 CET | Version of Record | https://www.mdpi.com/2076-3417/7/1/17/pdf |
