| article html file updated | 8 February 2020 02:48 CET | Update | https://www.mdpi.com/2076-3417/7/4/353 |
| article html file updated | 24 September 2019 03:23 CEST | Update | - |
| article html file updated | 4 May 2019 03:50 CEST | Update | - |
| article html file updated | 28 April 2017 05:10 CEST | Update | - |
| article html file updated | 7 April 2017 15:01 CEST | Original file | - |
| article xml uploaded. | 7 April 2017 14:59 CEST | Original file | https://www.mdpi.com/2076-3417/7/4/353/xml |
| article pdf uploaded. | 7 April 2017 14:59 CEST | Updated version of record | https://www.mdpi.com/2076-3417/7/4/353/pdf |
| article pdf uploaded. | 2 April 2017 09:06 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/4/353/pdf-vor |
