| article html file updated | 9 February 2020 08:00 CET | Update | https://www.mdpi.com/2078-1547/9/1/8 |
| article html file updated | 1 May 2019 15:32 CEST | Update | - |
| article html file updated | 17 April 2019 15:03 CEST | Update | - |
| article html file updated | 29 March 2019 02:27 CET | Update | - |
| article pdf uploaded. | 14 March 2018 14:27 CET | Updated version of record | https://www.mdpi.com/2078-1547/9/1/8/pdf |
| article html file updated | 28 February 2018 08:37 CET | Original file | - |
| article xml uploaded. | 28 February 2018 08:35 CET | Original file | https://www.mdpi.com/2078-1547/9/1/8/xml |
| article pdf uploaded. | 28 February 2018 08:35 CET | Version of Record | https://www.mdpi.com/2078-1547/9/1/8/pdf-vor |
