| article html file updated | 8 February 2020 22:51 CET | Update | https://www.mdpi.com/2073-4360/9/12/664 |
| article html file updated | 28 September 2019 22:04 CEST | Update | - |
| article html file updated | 2 May 2019 11:16 CEST | Update | - |
| article html file updated | 18 April 2019 08:54 CEST | Update | - |
| article html file updated | 2 January 2018 14:36 CET | Update | - |
| article html file updated | 5 December 2017 03:03 CET | Original file | - |
| article xml uploaded. | 5 December 2017 03:01 CET | Original file | https://www.mdpi.com/2073-4360/9/12/664/xml |
| article pdf uploaded. | 5 December 2017 03:01 CET | Updated version of record | https://www.mdpi.com/2073-4360/9/12/664/pdf |
| article pdf uploaded. | 1 December 2017 17:27 CET | Version of Record | https://www.mdpi.com/2073-4360/9/12/664/pdf-vor |
