| article html file updated | 8 February 2020 22:25 CET | Update | https://www.mdpi.com/1999-4907/8/12/465 |
| article html file updated | 28 September 2019 19:20 CEST | Update | N/A |
| article html file updated | 2 May 2019 12:16 CEST | Update | N/A |
| article html file updated | 18 April 2019 09:53 CEST | Update | N/A |
| article html file updated | 2 January 2018 17:06 CET | Update | N/A |
| article html file updated | 28 November 2017 08:26 CET | Original file | N/A |
| article xml uploaded. | 28 November 2017 08:25 CET | Update | https://www.mdpi.com/1999-4907/8/12/465/xml |
| article xml uploaded. | 28 November 2017 08:25 CET | Update | N/A |
| article xml uploaded. | 28 November 2017 08:25 CET | Original file | N/A |
| article pdf uploaded. | 28 November 2017 08:25 CET | Version of Record | https://www.mdpi.com/1999-4907/8/12/465/pdf |
