| article html file updated | 8 February 2020 03:39 CET | Update | https://www.mdpi.com/2072-6643/9/4/389 |
| article html file updated | 24 September 2019 08:06 CEST | Update | - |
| article html file updated | 4 May 2019 02:06 CEST | Update | - |
| article html file updated | 28 April 2017 11:51 CEST | Update | - |
| article html file updated | 14 April 2017 16:51 CEST | Original file | - |
| article xml uploaded. | 14 April 2017 16:50 CEST | Original file | https://www.mdpi.com/2072-6643/9/4/389/xml |
| article pdf uploaded. | 14 April 2017 16:50 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/4/389/pdf |
