| article html file updated | 9 February 2020 00:22 CET | Update | https://www.mdpi.com/2073-4433/8/12/255 |
| article html file updated | 29 September 2019 06:57 CEST | Update | - |
| article html file updated | 2 May 2019 07:56 CEST | Update | - |
| article html file updated | 18 April 2019 05:45 CEST | Update | - |
| article html file updated | 2 January 2018 19:31 CET | Update | - |
| article html file updated | 17 December 2017 11:48 CET | Original file | - |
| article xml uploaded. | 17 December 2017 11:47 CET | Original file | https://www.mdpi.com/2073-4433/8/12/255/xml |
| article pdf uploaded. | 17 December 2017 11:47 CET | Version of Record | https://www.mdpi.com/2073-4433/8/12/255/pdf |
