| article html file updated | 7 February 2020 21:22 CET | Update | https://www.mdpi.com/1999-4893/10/1/12 |
| article html file updated | 22 September 2019 20:47 CEST | Update | N/A |
| article html file updated | 4 May 2019 15:32 CEST | Update | N/A |
| article html file updated | 28 March 2017 11:51 CEST | Update | N/A |
| article html file updated | 12 January 2017 14:59 CET | Original file | N/A |
| article xml uploaded. | 12 January 2017 14:58 CET | Update | https://www.mdpi.com/1999-4893/10/1/12/xml |
| article xml uploaded. | 12 January 2017 14:58 CET | Original file | N/A |
| article pdf uploaded. | 12 January 2017 14:58 CET | Version of Record | https://www.mdpi.com/1999-4893/10/1/12/pdf |
