| article html file updated | 7 February 2020 22:28 CET | Update | https://www.mdpi.com/1996-1073/10/2/160 |
| article html file updated | 4 May 2019 13:07 CEST | Update | - |
| article html file updated | 1 March 2017 03:35 CET | Update | - |
| article html file updated | 28 February 2017 10:23 CET | Update | - |
| article html file updated | 6 February 2017 12:51 CET | Original file | - |
| article xml uploaded. | 6 February 2017 12:50 CET | Original file | https://www.mdpi.com/1996-1073/10/2/160/xml |
| article pdf uploaded. | 6 February 2017 12:50 CET | Updated version of record | https://www.mdpi.com/1996-1073/10/2/160/pdf |
| article pdf uploaded. | 29 January 2017 07:18 CET | Version of Record | https://www.mdpi.com/1996-1073/10/2/160/pdf-vor |