| article html file updated | 7 February 2020 19:55 CET | Update | https://www.mdpi.com/2076-3417/6/12/450 |
| article html file updated | 22 September 2019 13:05 CEST | Update | - |
| article html file updated | 4 May 2019 18:36 CEST | Update | - |
| article html file updated | 27 December 2016 11:13 CET | Update | - |
| article html file updated | 19 December 2016 10:36 CET | Original file | - |
| article xml uploaded. | 19 December 2016 10:35 CET | Update | https://www.mdpi.com/2076-3417/6/12/450/xml |
| article xml uploaded. | 19 December 2016 10:35 CET | Original file | - |
| article pdf uploaded. | 19 December 2016 10:35 CET | Version of Record | https://www.mdpi.com/2076-3417/6/12/450/pdf |
