| article html file updated | 8 February 2020 03:55 CET | Update | https://www.mdpi.com/2076-3417/7/4/411 |
| article html file updated | 24 September 2019 09:41 CEST | Update | - |
| article html file updated | 4 May 2019 01:35 CEST | Update | - |
| article html file updated | 28 April 2017 05:23 CEST | Update | - |
| article html file updated | 24 April 2017 13:20 CEST | Original file | - |
| article xml uploaded. | 24 April 2017 13:18 CEST | Original file | https://www.mdpi.com/2076-3417/7/4/411/xml |
| article pdf uploaded. | 24 April 2017 13:18 CEST | Updated version of record | https://www.mdpi.com/2076-3417/7/4/411/pdf |
| article pdf uploaded. | 19 April 2017 14:12 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/4/411/pdf-vor |
