| article html file updated | 9 February 2020 03:19 CET | Update | https://www.mdpi.com/1999-4893/11/1/9 |
| article html file updated | 29 September 2019 23:32 CEST | Update | N/A |
| article html file updated | 2 May 2019 01:44 CEST | Update | N/A |
| article html file updated | 18 April 2019 00:02 CEST | Update | N/A |
| article html file updated | 28 March 2019 16:09 CET | Update | N/A |
| article html file updated | 1 February 2018 10:01 CET | Update | N/A |
| article html file updated | 16 January 2018 17:33 CET | Original file | N/A |
| article xml uploaded. | 16 January 2018 17:32 CET | Update | https://www.mdpi.com/1999-4893/11/1/9/xml |
| article xml uploaded. | 16 January 2018 17:32 CET | Original file | N/A |
| article pdf uploaded. | 16 January 2018 17:32 CET | Version of Record | https://www.mdpi.com/1999-4893/11/1/9/pdf |
