| article html file updated | 8 February 2020 04:31 CET | Update | https://www.mdpi.com/2076-3417/7/5/439 |
| article html file updated | 24 September 2019 12:58 CEST | Update | - |
| article html file updated | 4 May 2019 00:30 CEST | Update | - |
| article html file updated | 31 May 2017 09:36 CEST | Update | - |
| article html file updated | 27 April 2017 12:33 CEST | Original file | - |
| article xml uploaded. | 27 April 2017 12:31 CEST | Original file | https://www.mdpi.com/2076-3417/7/5/439/xml |
| article pdf uploaded. | 27 April 2017 12:31 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/5/439/pdf |
