| article html file updated | 7 February 2020 19:45 CET | Update | https://www.mdpi.com/2076-3417/6/12/440 |
| article html file updated | 22 September 2019 12:18 CEST | Update | N/A |
| article html file updated | 4 May 2019 18:54 CEST | Update | N/A |
| article html file updated | 27 December 2016 11:10 CET | Update | N/A |
| article html file updated | 16 December 2016 10:13 CET | Original file | N/A |
| article xml uploaded. | 16 December 2016 10:12 CET | Update | https://www.mdpi.com/2076-3417/6/12/440/xml |
| article xml uploaded. | 16 December 2016 10:12 CET | Original file | N/A |
| article pdf uploaded. | 16 December 2016 10:12 CET | Version of Record | https://www.mdpi.com/2076-3417/6/12/440/pdf |
