| article html file updated | 8 February 2020 20:22 CET | Update | https://www.mdpi.com/2073-4441/9/11/856 |
| article html file updated | 28 September 2019 06:00 CEST | Update | - |
| article html file updated | 2 May 2019 16:54 CEST | Update | - |
| article html file updated | 30 November 2017 15:15 CET | Update | - |
| article html file updated | 30 November 2017 08:04 CET | Update | - |
| article html file updated | 4 November 2017 12:01 CET | Original file | - |
| article xml uploaded. | 4 November 2017 12:00 CET | Original file | https://www.mdpi.com/2073-4441/9/11/856/xml |
| article pdf uploaded. | 4 November 2017 12:00 CET | Version of Record | https://www.mdpi.com/2073-4441/9/11/856/pdf |
