| article html file updated | 7 February 2020 23:59 CET | Update | https://www.mdpi.com/1999-4923/9/1/10 |
| article html file updated | 23 September 2019 11:18 CEST | Update | N/A |
| article html file updated | 4 May 2019 10:02 CEST | Update | N/A |
| article html file updated | 31 March 2017 05:35 CEST | Update | N/A |
| article html file updated | 22 February 2017 11:36 CET | Original file | N/A |
| article xml uploaded. | 22 February 2017 11:34 CET | Original file | https://www.mdpi.com/1999-4923/9/1/10/xml |
| article pdf uploaded. | 22 February 2017 11:34 CET | Version of Record | https://www.mdpi.com/1999-4923/9/1/10/pdf |
