| article html file updated | 7 February 2020 17:21 CET | Update | https://www.mdpi.com/2073-4441/8/11/498 |
| article html file updated | 4 May 2019 23:47 CEST | Update | - |
| article html file updated | 30 November 2016 10:49 CET | Update | - |
| article html file updated | 1 November 2016 11:18 CET | Original file | - |
| article xml uploaded. | 1 November 2016 11:16 CET | Update | https://www.mdpi.com/2073-4441/8/11/498/xml |
| article xml uploaded. | 1 November 2016 11:16 CET | Original file | - |
| article pdf uploaded. | 1 November 2016 11:16 CET | Version of Record | https://www.mdpi.com/2073-4441/8/11/498/pdf |
