| article html file updated | 9 February 2020 06:24 CET | Update | https://www.mdpi.com/2079-7737/7/1/17 |
| article html file updated | 30 September 2019 17:59 CEST | Update | - |
| article html file updated | 1 May 2019 18:56 CEST | Update | - |
| article html file updated | 17 April 2019 18:12 CEST | Update | - |
| article html file updated | 28 March 2019 22:50 CET | Update | - |
| article html file updated | 27 March 2018 14:23 CEST | Update | - |
| article html file updated | 12 February 2018 09:44 CET | Original file | - |
| article xml uploaded. | 12 February 2018 09:42 CET | Original file | https://www.mdpi.com/2079-7737/7/1/17/xml |
| article pdf uploaded. | 12 February 2018 09:42 CET | Version of Record | https://www.mdpi.com/2079-7737/7/1/17/pdf |
