| article html file updated | 9 February 2020 03:52 CET | Update | https://www.mdpi.com/2079-9721/6/1/11 |
| article html file updated | 2 May 2019 00:34 CEST | Update | - |
| article html file updated | 17 April 2019 22:58 CEST | Update | - |
| article html file updated | 28 March 2019 17:21 CET | Update | - |
| article html file updated | 27 March 2018 14:45 CEST | Update | - |
| article html file updated | 22 January 2018 17:10 CET | Original file | - |
| article xml uploaded. | 22 January 2018 17:09 CET | Original file | https://www.mdpi.com/2079-9721/6/1/11/xml |
| article pdf uploaded. | 22 January 2018 17:09 CET | Version of Record | https://www.mdpi.com/2079-9721/6/1/11/pdf |
