| article html file updated | 8 February 2020 02:28 CET | Update | https://www.mdpi.com/2072-6643/9/4/338 |
| article html file updated | 24 September 2019 01:27 CEST | Update | - |
| article html file updated | 4 May 2019 04:34 CEST | Update | - |
| article html file updated | 28 April 2017 11:45 CEST | Update | - |
| article html file updated | 29 March 2017 10:44 CEST | Original file | - |
| article xml uploaded. | 29 March 2017 10:43 CEST | Update | https://www.mdpi.com/2072-6643/9/4/338/xml |
| article pdf uploaded. | 29 March 2017 10:43 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/4/338/pdf |
