| article html file updated | 7 February 2020 23:35 CET | Update | https://www.mdpi.com/2076-3417/7/2/192 |
| article html file updated | 23 September 2019 09:00 CEST | Update | - |
| article html file updated | 4 May 2019 10:52 CEST | Update | - |
| article html file updated | 1 March 2017 04:39 CET | Update | - |
| article html file updated | 20 February 2017 11:40 CET | Original file | - |
| article xml uploaded. | 20 February 2017 11:38 CET | Original file | https://www.mdpi.com/2076-3417/7/2/192/xml |
| article pdf uploaded. | 20 February 2017 11:38 CET | Updated version of record | https://www.mdpi.com/2076-3417/7/2/192/pdf |
| article pdf uploaded. | 16 February 2017 15:32 CET | Version of Record | https://www.mdpi.com/2076-3417/7/2/192/pdf-vor |
