| article html file updated | 8 February 2020 16:48 CET | Update | https://www.mdpi.com/1996-1073/10/10/1449 |
| article html file updated | 27 September 2019 06:56 CEST | Update | - |
| article html file updated | 3 May 2019 00:48 CEST | Update | - |
| article html file updated | 1 November 2017 03:31 CET | Update | - |
| article html file updated | 21 September 2017 12:55 CEST | Original file | - |
| article xml uploaded. | 21 September 2017 12:54 CEST | Original file | https://www.mdpi.com/1996-1073/10/10/1449/xml |
| article pdf uploaded. | 21 September 2017 12:54 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/10/1449/pdf |
