| article html file updated | 7 February 2020 15:54 CET | Update | https://www.mdpi.com/1996-1073/9/10/731 |
| article html file updated | 5 May 2019 02:28 CEST | Update | - |
| article html file updated | 28 October 2016 09:21 CEST | Update | - |
| article html file updated | 1 October 2016 06:35 CEST | Original file | - |
| article xml uploaded. | 1 October 2016 06:34 CEST | Update | https://www.mdpi.com/1996-1073/9/10/731/xml |
| article xml uploaded. | 1 October 2016 06:34 CEST | Original file | - |
| article pdf uploaded. | 1 October 2016 06:34 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/10/731/pdf |
