| article html file updated | 8 February 2020 23:27 CET | Update | https://www.mdpi.com/2073-4441/9/12/956 |
| article html file updated | 29 September 2019 01:32 CEST | Update | - |
| article html file updated | 2 May 2019 09:59 CEST | Update | - |
| article html file updated | 18 April 2019 07:38 CEST | Update | - |
| article html file updated | 2 January 2018 16:50 CET | Update | - |
| article html file updated | 7 December 2017 14:48 CET | Original file | - |
| article xml uploaded. | 7 December 2017 14:47 CET | Original file | https://www.mdpi.com/2073-4441/9/12/956/xml |
| article pdf uploaded. | 7 December 2017 14:47 CET | Version of Record | https://www.mdpi.com/2073-4441/9/12/956/pdf |
