| article html file updated | 7 February 2020 22:27 CET | Update | https://www.mdpi.com/1999-4893/10/1/22 |
| article html file updated | 23 September 2019 02:45 CEST | Update | - |
| article html file updated | 4 May 2019 13:10 CEST | Update | - |
| article html file updated | 28 March 2017 11:53 CEST | Update | - |
| article html file updated | 9 February 2017 12:50 CET | Original file | - |
| article xml uploaded. | 9 February 2017 12:49 CET | Original file | https://www.mdpi.com/1999-4893/10/1/22/xml |
| article pdf uploaded. | 9 February 2017 12:49 CET | Updated version of record | https://www.mdpi.com/1999-4893/10/1/22/pdf |
| article pdf uploaded. | 29 January 2017 04:04 CET | Version of Record | https://www.mdpi.com/1999-4893/10/1/22/pdf-vor |
