| article html file updated | 8 February 2020 02:53 CET | Update | https://www.mdpi.com/2076-3417/7/4/354 |
| article html file updated | 24 September 2019 03:52 CEST | Update | - |
| article html file updated | 4 May 2019 03:39 CEST | Update | - |
| article html file updated | 28 April 2017 05:11 CEST | Update | - |
| article html file updated | 6 April 2017 14:42 CEST | Original file | - |
| article xml uploaded. | 6 April 2017 14:40 CEST | Original file | https://www.mdpi.com/2076-3417/7/4/354/xml |
| article pdf uploaded. | 6 April 2017 14:40 CEST | Updated version of record | https://www.mdpi.com/2076-3417/7/4/354/pdf |
| article pdf uploaded. | 4 April 2017 14:08 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/4/354/pdf-vor |
