| article html file updated | 7 February 2020 07:27 CET | Update | https://www.mdpi.com/1999-4923/8/2/11 |
| article html file updated | 5 May 2019 18:15 CEST | Update | N/A |
| article html file updated | 27 March 2019 02:16 CET | Update | N/A |
| article html file updated | 5 July 2016 04:48 CEST | Update | N/A |
| article html file updated | 19 April 2016 10:47 CEST | Original file | N/A |
| article xml uploaded. | 19 April 2016 10:45 CEST | Original file | https://www.mdpi.com/1999-4923/8/2/11/xml |
| article pdf uploaded. | 19 April 2016 10:45 CEST | Version of Record | https://www.mdpi.com/1999-4923/8/2/11/pdf |
