| article html file updated | 8 February 2020 09:08 CET | Update | https://www.mdpi.com/1996-1073/10/7/843 |
| article html file updated | 25 September 2019 12:55 CEST | Update | - |
| article html file updated | 3 May 2019 15:52 CEST | Update | - |
| article html file updated | 31 July 2017 06:44 CEST | Update | - |
| article html file updated | 27 June 2017 06:30 CEST | Original file | - |
| article xml uploaded. | 27 June 2017 06:29 CEST | Original file | https://www.mdpi.com/1996-1073/10/7/843/xml |
| article pdf uploaded. | 27 June 2017 06:29 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/7/843/pdf |
| article pdf uploaded. | 23 June 2017 15:10 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/7/843/pdf-vor |
