| article html file updated | 8 February 2020 21:41 CET | Update | https://www.mdpi.com/2073-4441/9/11/903 |
| article html file updated | 28 September 2019 14:45 CEST | Update | - |
| article html file updated | 2 May 2019 13:52 CEST | Update | - |
| article html file updated | 18 April 2019 11:32 CEST | Update | - |
| article html file updated | 30 November 2017 15:25 CET | Update | - |
| article html file updated | 30 November 2017 08:14 CET | Update | - |
| article html file updated | 20 November 2017 12:33 CET | Original file | - |
| article xml uploaded. | 20 November 2017 12:31 CET | Update | https://www.mdpi.com/2073-4441/9/11/903/xml |
| article xml uploaded. | 20 November 2017 12:31 CET | Original file | - |
| article pdf uploaded. | 20 November 2017 12:31 CET | Version of Record | https://www.mdpi.com/2073-4441/9/11/903/pdf |
