| article html file updated | 8 February 2020 09:53 CET | Update | https://www.mdpi.com/1996-1073/10/7/907 |
| article html file updated | 25 September 2019 17:04 CEST | Update | - |
| article html file updated | 3 May 2019 14:26 CEST | Update | - |
| article html file updated | 31 July 2017 06:58 CEST | Update | - |
| article html file updated | 4 July 2017 15:27 CEST | Original file | - |
| article xml uploaded. | 4 July 2017 15:26 CEST | Original file | https://www.mdpi.com/1996-1073/10/7/907/xml |
| article pdf uploaded. | 4 July 2017 15:24 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/7/907/pdf |
| article pdf uploaded. | 2 July 2017 11:53 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/7/907/pdf-vor |
