| article html file updated | 9 February 2020 04:55 CET | Update | https://www.mdpi.com/2079-9721/6/1/14 |
| article html file updated | 30 September 2019 08:54 CEST | Update | - |
| article html file updated | 1 May 2019 22:20 CEST | Update | - |
| article html file updated | 17 April 2019 21:03 CEST | Update | - |
| article html file updated | 28 March 2019 19:36 CET | Update | - |
| article html file updated | 27 March 2018 14:45 CEST | Update | - |
| article html file updated | 30 January 2018 16:45 CET | Original file | - |
| article xml uploaded. | 30 January 2018 16:44 CET | Original file | https://www.mdpi.com/2079-9721/6/1/14/xml |
| article pdf uploaded. | 30 January 2018 16:44 CET | Version of Record | https://www.mdpi.com/2079-9721/6/1/14/pdf |
