| article html file updated | 8 February 2020 05:25 CET | Update | https://www.mdpi.com/1999-4893/10/2/52 |
| article html file updated | 24 September 2019 17:34 CEST | Update | - |
| article html file updated | 3 May 2019 22:52 CEST | Update | - |
| article html file updated | 28 June 2017 12:26 CEST | Update | - |
| article html file updated | 21 June 2017 13:08 CEST | Update | - |
| article xml uploaded. | 21 June 2017 13:07 CEST | Update | https://www.mdpi.com/1999-4893/10/2/52/xml |
| article pdf uploaded. | 21 June 2017 13:07 CEST | Updated version of record | https://www.mdpi.com/1999-4893/10/2/52/pdf |
| article html file updated | 23 May 2017 03:55 CEST | Update | - |
| article html file updated | 9 May 2017 14:20 CEST | Original file | - |
| article pdf uploaded. | 9 May 2017 14:19 CEST | Version of Record | https://www.mdpi.com/1999-4893/10/2/52/pdf-vor |
