| article html file updated | 8 February 2020 19:33 CET | Update | https://www.mdpi.com/2073-4441/9/11/821 |
| article html file updated | 2 May 2019 18:45 CEST | Update | - |
| article html file updated | 30 November 2017 15:10 CET | Update | - |
| article html file updated | 30 November 2017 07:58 CET | Update | - |
| article html file updated | 28 October 2017 05:24 CEST | Original file | - |
| article xml uploaded. | 28 October 2017 05:23 CEST | Original file | https://www.mdpi.com/2073-4441/9/11/821/xml |
| article pdf uploaded. | 28 October 2017 05:23 CEST | Updated version of record | https://www.mdpi.com/2073-4441/9/11/821/pdf |
| article pdf uploaded. | 26 October 2017 14:47 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/11/821/pdf-vor |
