| article html file updated | 9 February 2020 00:41 CET | Update | https://www.mdpi.com/2073-4360/9/12/734 |
| article html file updated | 29 September 2019 08:47 CEST | Update | - |
| article html file updated | 2 May 2019 07:14 CEST | Update | - |
| article html file updated | 18 April 2019 05:06 CEST | Update | - |
| article html file updated | 2 January 2018 15:35 CET | Update | - |
| article html file updated | 20 December 2017 14:10 CET | Original file | - |
| article xml uploaded. | 20 December 2017 14:08 CET | Original file | https://www.mdpi.com/2073-4360/9/12/734/xml |
| article pdf uploaded. | 20 December 2017 14:08 CET | Version of Record | https://www.mdpi.com/2073-4360/9/12/734/pdf |
