| article html file updated | 7 February 2020 13:18 CET | Update | https://www.mdpi.com/1999-4907/7/8/175 |
| article html file updated | 5 May 2019 07:10 CEST | Update | N/A |
| article html file updated | 27 March 2019 13:35 CET | Update | N/A |
| article html file updated | 25 August 2016 12:08 CEST | Update | N/A |
| article html file updated | 13 August 2016 10:47 CEST | Original file | N/A |
| article xml uploaded. | 13 August 2016 10:45 CEST | Update | https://www.mdpi.com/1999-4907/7/8/175/xml |
| article xml uploaded. | 13 August 2016 10:45 CEST | Original file | N/A |
| article pdf uploaded. | 13 August 2016 10:45 CEST | Version of Record | https://www.mdpi.com/1999-4907/7/8/175/pdf |
