| article html file updated | 8 February 2020 10:31 CET | Update | https://www.mdpi.com/2073-4441/9/7/498 |
| article html file updated | 25 September 2019 20:07 CEST | Update | - |
| article html file updated | 3 May 2019 13:18 CEST | Update | - |
| article html file updated | 1 August 2017 09:22 CEST | Update | - |
| article html file updated | 8 July 2017 11:32 CEST | Original file | - |
| article xml uploaded. | 8 July 2017 11:31 CEST | Original file | https://www.mdpi.com/2073-4441/9/7/498/xml |
| article pdf uploaded. | 8 July 2017 11:31 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/7/498/pdf |
