| article html file updated | 9 February 2020 05:15 CET | Update | https://www.mdpi.com/2079-7737/7/1/15 |
| article html file updated | 30 September 2019 10:59 CEST | Update | N/A |
| article html file updated | 1 May 2019 21:35 CEST | Update | N/A |
| article html file updated | 17 April 2019 20:26 CEST | Update | N/A |
| article html file updated | 28 March 2019 20:20 CET | Update | N/A |
| article html file updated | 27 March 2018 14:23 CEST | Update | N/A |
| article html file updated | 2 February 2018 05:19 CET | Original file | N/A |
| article xml uploaded. | 2 February 2018 05:18 CET | Original file | https://www.mdpi.com/2079-7737/7/1/15/xml |
| article pdf uploaded. | 2 February 2018 05:18 CET | Version of Record | https://www.mdpi.com/2079-7737/7/1/15/pdf |
