| article html file updated | 7 February 2020 23:35 CET | Update | https://www.mdpi.com/2076-3417/7/2/191 |
| article html file updated | 23 September 2019 09:02 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 | 18 February 2017 10:52 CET | Original file | - |
| article xml uploaded. | 18 February 2017 10:50 CET | Update | https://www.mdpi.com/2076-3417/7/2/191/xml |
| article xml uploaded. | 18 February 2017 10:50 CET | Original file | - |
| article pdf uploaded. | 18 February 2017 10:50 CET | Updated version of record | https://www.mdpi.com/2076-3417/7/2/191/pdf |
| article pdf uploaded. | 16 February 2017 15:56 CET | Version of Record | https://www.mdpi.com/2076-3417/7/2/191/pdf-vor |
