| article html file updated | 7 February 2020 13:53 CET | Update | https://www.mdpi.com/1999-4907/7/9/186 |
| article html file updated | 5 May 2019 06:05 CEST | Update | N/A |
| article html file updated | 27 March 2019 14:48 CET | Update | N/A |
| article html file updated | 28 September 2016 07:15 CEST | Update | N/A |
| article html file updated | 25 August 2016 14:18 CEST | Original file | N/A |
| article xml uploaded. | 25 August 2016 14:16 CEST | Update | https://www.mdpi.com/1999-4907/7/9/186/xml |
| article xml uploaded. | 25 August 2016 14:16 CEST | Update | N/A |
| article xml uploaded. | 25 August 2016 14:16 CEST | Original file | N/A |
| article pdf uploaded. | 25 August 2016 14:16 CEST | Version of Record | https://www.mdpi.com/1999-4907/7/9/186/pdf |
