| article html file updated | 8 February 2020 22:06 CET | Update | https://www.mdpi.com/2073-4441/9/12/915 |
| article html file updated | 28 September 2019 17:28 CEST | Update | - |
| article html file updated | 2 May 2019 12:57 CEST | Update | - |
| article html file updated | 18 April 2019 10:35 CEST | Update | - |
| article html file updated | 2 January 2018 16:43 CET | Update | - |
| article html file updated | 27 November 2017 10:01 CET | Original file | - |
| article xml uploaded. | 27 November 2017 09:59 CET | Update | https://www.mdpi.com/2073-4441/9/12/915/xml |
| article xml uploaded. | 27 November 2017 09:59 CET | Original file | - |
| article pdf uploaded. | 27 November 2017 09:59 CET | Updated version of record | https://www.mdpi.com/2073-4441/9/12/915/pdf |
| article pdf uploaded. | 24 November 2017 09:57 CET | Version of Record | https://www.mdpi.com/2073-4441/9/12/915/pdf-vor |
