| article html file updated | 8 February 2020 03:36 CET | Update | https://www.mdpi.com/2076-3417/7/4/398 |
| article html file updated | 24 September 2019 07:49 CEST | Update | - |
| article html file updated | 4 May 2019 02:11 CEST | Update | - |
| article html file updated | 28 April 2017 05:20 CEST | Update | - |
| article html file updated | 19 April 2017 11:10 CEST | Original file | - |
| article xml uploaded. | 19 April 2017 11:08 CEST | Update | https://www.mdpi.com/2076-3417/7/4/398/xml |
| article pdf uploaded. | 19 April 2017 11:08 CEST | Updated version of record | https://www.mdpi.com/2076-3417/7/4/398/pdf |
| article pdf uploaded. | 14 April 2017 12:14 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/4/398/pdf-vor |
