| article html file updated | 8 February 2020 08:11 CET | Update | https://www.mdpi.com/2076-3417/7/6/611 |
| article html file updated | 25 September 2019 07:50 CEST | Update | - |
| article html file updated | 3 May 2019 17:39 CEST | Update | - |
| article html file updated | 27 June 2017 09:44 CEST | Update | - |
| article html file updated | 14 June 2017 11:20 CEST | Original file | - |
| article xml uploaded. | 14 June 2017 11:19 CEST | Original file | https://www.mdpi.com/2076-3417/7/6/611/xml |
| article pdf uploaded. | 14 June 2017 11:19 CEST | Updated version of record | https://www.mdpi.com/2076-3417/7/6/611/pdf |
| article pdf uploaded. | 13 June 2017 13:04 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/6/611/pdf-vor |
