| article html file updated | 8 February 2020 06:03 CET | Update | https://www.mdpi.com/1999-4893/10/2/56 |
| article html file updated | 24 September 2019 20:53 CEST | Update | - |
| article html file updated | 3 May 2019 21:41 CEST | Update | - |
| article html file updated | 28 June 2017 12:26 CEST | Update | - |
| article html file updated | 21 June 2017 13:11 CEST | Update | - |
| article xml uploaded. | 21 June 2017 13:10 CEST | Update | https://www.mdpi.com/1999-4893/10/2/56/xml |
| article pdf uploaded. | 21 June 2017 13:10 CEST | Updated version of record | https://www.mdpi.com/1999-4893/10/2/56/pdf |
| article html file updated | 22 May 2017 04:18 CEST | Update | - |
| article html file updated | 17 May 2017 11:55 CEST | Original file | - |
| article pdf uploaded. | 17 May 2017 11:54 CEST | Version of Record | https://www.mdpi.com/1999-4893/10/2/56/pdf-vor |
