| article html file updated | 7 February 2020 19:37 CET | Update | https://www.mdpi.com/2076-3417/6/12/415 |
| article html file updated | 22 September 2019 11:33 CEST | Update | N/A |
| article html file updated | 4 May 2019 19:12 CEST | Update | N/A |
| article html file updated | 27 December 2016 11:02 CET | Update | N/A |
| article html file updated | 14 December 2016 11:26 CET | Original file | N/A |
| article xml uploaded. | 14 December 2016 11:25 CET | Original file | https://www.mdpi.com/2076-3417/6/12/415/xml |
| article pdf uploaded. | 14 December 2016 11:25 CET | Version of Record | https://www.mdpi.com/2076-3417/6/12/415/pdf |
