| article html file updated | 8 February 2020 04:14 CET | Update | https://www.mdpi.com/2076-3417/7/4/430 |
| article html file updated | 24 September 2019 11:27 CEST | Update | N/A |
| article html file updated | 4 May 2019 01:01 CEST | Update | N/A |
| article html file updated | 28 April 2017 05:27 CEST | Update | N/A |
| article html file updated | 24 April 2017 13:51 CEST | Original file | N/A |
| article xml uploaded. | 24 April 2017 13:49 CEST | Update | https://www.mdpi.com/2076-3417/7/4/430/xml |
| article pdf uploaded. | 24 April 2017 13:49 CEST | Updated version of record | https://www.mdpi.com/2076-3417/7/4/430/pdf |
| article pdf uploaded. | 23 April 2017 12:06 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/4/430/pdf-vor |
