| article html file updated | 8 February 2020 23:32 CET | Update | https://www.mdpi.com/2073-4441/9/12/960 |
| article html file updated | 29 September 2019 02:02 CEST | Update | - |
| article html file updated | 2 May 2019 09:47 CEST | Update | - |
| article html file updated | 18 April 2019 07:27 CEST | Update | - |
| article html file updated | 2 January 2018 16:51 CET | Update | - |
| article html file updated | 9 December 2017 10:07 CET | Original file | - |
| article xml uploaded. | 9 December 2017 10:05 CET | Update | https://www.mdpi.com/2073-4441/9/12/960/xml |
| article xml uploaded. | 9 December 2017 10:05 CET | Original file | - |
| article pdf uploaded. | 9 December 2017 10:05 CET | Updated version of record | https://www.mdpi.com/2073-4441/9/12/960/pdf |
| article pdf uploaded. | 8 December 2017 15:17 CET | Version of Record | https://www.mdpi.com/2073-4441/9/12/960/pdf-vor |
