| article html file updated | 8 February 2020 04:27 CET | Update | https://www.mdpi.com/2072-6643/9/5/431 |
| article html file updated | 24 September 2019 12:40 CEST | Update | - |
| article html file updated | 4 May 2019 00:37 CEST | Update | - |
| article html file updated | 1 June 2017 07:35 CEST | Update | - |
| article html file updated | 17 May 2017 04:28 CEST | Original file | - |
| article xml uploaded. | 26 April 2017 15:31 CEST | Original file | https://www.mdpi.com/2072-6643/9/5/431/xml |
| article pdf uploaded. | 26 April 2017 15:31 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/5/431/pdf |
