| article html file updated | 7 February 2020 18:55 CET | Update | https://www.mdpi.com/2076-3417/6/12/400 |
| article html file updated | 22 September 2019 08:10 CEST | Update | N/A |
| article html file updated | 4 May 2019 20:42 CEST | Update | N/A |
| article html file updated | 27 December 2016 10:56 CET | Update | N/A |
| article html file updated | 2 December 2016 00:30 CET | Original file | N/A |
| article xml uploaded. | 1 December 2016 09:35 CET | Original file | https://www.mdpi.com/2076-3417/6/12/400/xml |
| article pdf uploaded. | 1 December 2016 09:35 CET | Version of Record | https://www.mdpi.com/2076-3417/6/12/400/pdf |
