| article html file updated | 7 February 2020 22:32 CET | Update | https://www.mdpi.com/2073-4441/9/2/86 |
| article html file updated | 23 September 2019 03:13 CEST | Update | - |
| article html file updated | 4 May 2019 12:58 CEST | Update | - |
| article html file updated | 1 March 2017 07:57 CET | Update | - |
| article html file updated | 11 February 2017 07:39 CET | Original file | - |
| article xml uploaded. | 11 February 2017 07:38 CET | Original file | https://www.mdpi.com/2073-4441/9/2/86/xml |
| article pdf uploaded. | 11 February 2017 07:38 CET | Updated version of record | https://www.mdpi.com/2073-4441/9/2/86/pdf |
| article pdf uploaded. | 31 January 2017 14:14 CET | Version of Record | https://www.mdpi.com/2073-4441/9/2/86/pdf-vor |
