| article html file updated | 7 February 2020 23:58 CET | Update | https://www.mdpi.com/1999-4893/10/1/30 |
| article html file updated | 23 September 2019 11:11 CEST | Update | N/A |
| article html file updated | 4 May 2019 10:04 CEST | Update | N/A |
| article html file updated | 28 March 2017 11:55 CEST | Update | N/A |
| article html file updated | 22 February 2017 10:39 CET | Original file | N/A |
| article xml uploaded. | 22 February 2017 10:38 CET | Original file | https://www.mdpi.com/1999-4893/10/1/30/xml |
| article pdf uploaded. | 22 February 2017 10:38 CET | Version of Record | https://www.mdpi.com/1999-4893/10/1/30/pdf |
