| article html file updated | 8 February 2020 02:05 CET | Update | https://www.mdpi.com/2072-6643/9/4/319 |
| article html file updated | 23 September 2019 23:27 CEST | Update | - |
| article html file updated | 4 May 2019 05:22 CEST | Update | - |
| article html file updated | 28 April 2017 11:55 CEST | Update | - |
| article html file updated | 27 March 2017 05:28 CEST | Update | - |
| article html file updated | 23 March 2017 10:51 CET | Original file | - |
| article xml uploaded. | 23 March 2017 10:49 CET | Original file | https://www.mdpi.com/2072-6643/9/4/319/xml |
| article pdf uploaded. | 23 March 2017 10:49 CET | Version of Record | https://www.mdpi.com/2072-6643/9/4/319/pdf |
