| article html file updated | 9 February 2020 15:34 CET | Update | https://www.mdpi.com/2078-1547/9/1/21 |
| article html file updated | 3 October 2019 01:10 CEST | Update | - |
| article html file updated | 1 May 2019 00:04 CEST | Update | - |
| article html file updated | 17 April 2019 00:44 CEST | Update | - |
| article html file updated | 29 March 2019 19:50 CET | Update | - |
| article html file updated | 27 April 2018 10:40 CEST | Original file | - |
| article pdf uploaded. | 27 April 2018 10:39 CEST | Version of Record | https://www.mdpi.com/2078-1547/9/1/21/pdf |
| article xml uploaded. | 27 April 2018 10:39 CEST | Update | https://www.mdpi.com/2078-1547/9/1/21/xml |
| article xml file uploaded | 27 April 2018 10:38 CEST | Original file | - |
