| article html file updated | 8 February 2020 21:16 CET | Update | https://www.mdpi.com/2078-1547/8/2/27 |
| article html file updated | 28 September 2019 11:57 CEST | Update | - |
| article html file updated | 2 May 2019 14:51 CEST | Update | - |
| article html file updated | 18 April 2019 12:30 CEST | Update | - |
| article html file updated | 15 November 2017 16:53 CET | Original file | - |
| article xml uploaded. | 15 November 2017 16:52 CET | Original file | https://www.mdpi.com/2078-1547/8/2/27/xml |
| article pdf uploaded. | 15 November 2017 16:52 CET | Updated version of record | https://www.mdpi.com/2078-1547/8/2/27/pdf |
| article pdf uploaded. | 15 November 2017 11:34 CET | Version of Record | - |
