| article html file updated | 9 February 2020 00:30 CET | Update | https://www.mdpi.com/2411-5150/1/4/27 |
| article html file updated | 6 November 2019 11:14 CET | Update | - |
| article html file updated | 29 September 2019 07:43 CEST | Update | - |
| article html file updated | 2 May 2019 07:39 CEST | Update | - |
| article html file updated | 18 April 2019 05:29 CEST | Update | - |
| article html file updated | 19 December 2017 09:04 CET | Original file | - |
| article xml uploaded. | 19 December 2017 09:02 CET | Original file | https://www.mdpi.com/2411-5150/1/4/27/xml |
| article pdf uploaded. | 19 December 2017 09:02 CET | Version of Record | https://www.mdpi.com/2411-5150/1/4/27/pdf |
