| article html file updated | 8 February 2020 09:49 CET | Update | https://www.mdpi.com/1996-1073/10/7/901 |
| article html file updated | 25 September 2019 16:42 CEST | Update | - |
| article html file updated | 3 May 2019 14:34 CEST | Update | - |
| article html file updated | 31 July 2017 06:57 CEST | Update | - |
| article html file updated | 3 July 2017 15:21 CEST | Original file | - |
| article xml uploaded. | 3 July 2017 15:20 CEST | Original file | https://www.mdpi.com/1996-1073/10/7/901/xml |
| article pdf uploaded. | 3 July 2017 15:20 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/7/901/pdf |
| article pdf uploaded. | 1 July 2017 12:06 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/7/901/pdf-vor |
