| article html file updated | 8 February 2020 22:21 CET | Update | https://www.mdpi.com/2073-8994/9/12/293 |
| article html file updated | 28 September 2019 18:57 CEST | Update | - |
| article html file updated | 2 May 2019 12:25 CEST | Update | - |
| article html file updated | 18 April 2019 10:01 CEST | Update | - |
| article html file updated | 2 January 2018 17:34 CET | Update | - |
| article html file updated | 28 November 2017 09:01 CET | Original file | - |
| article xml uploaded. | 28 November 2017 09:00 CET | Original file | https://www.mdpi.com/2073-8994/9/12/293/xml |
| article pdf uploaded. | 28 November 2017 09:00 CET | Updated version of record | https://www.mdpi.com/2073-8994/9/12/293/pdf |
| article pdf uploaded. | 27 November 2017 13:08 CET | Version of Record | https://www.mdpi.com/2073-8994/9/12/293/pdf-vor |
