| article html file updated | 7 February 2020 19:39 CET | Update | https://www.mdpi.com/2079-4991/6/12/241 |
| article html file updated | 22 September 2019 11:46 CEST | Update | N/A |
| article html file updated | 4 May 2019 19:07 CEST | Update | N/A |
| article html file updated | 30 December 2016 02:04 CET | Update | N/A |
| article html file updated | 15 December 2016 14:13 CET | Original file | N/A |
| article xml uploaded. | 15 December 2016 14:11 CET | Original file | https://www.mdpi.com/2079-4991/6/12/241/xml |
| article pdf uploaded. | 15 December 2016 14:11 CET | Version of Record | https://www.mdpi.com/2079-4991/6/12/241/pdf |
