| article html file updated | 8 February 2020 04:34 CET | Update | https://www.mdpi.com/1999-4893/10/2/47 |
| article html file updated | 24 September 2019 13:11 CEST | Update | - |
| article html file updated | 4 May 2019 00:25 CEST | Update | - |
| article html file updated | 28 June 2017 12:25 CEST | Update | - |
| article html file updated | 28 April 2017 11:55 CEST | Update | - |
| article xml uploaded. | 28 April 2017 11:51 CEST | Update | https://www.mdpi.com/1999-4893/10/2/47/xml |
| article pdf uploaded. | 28 April 2017 11:51 CEST | Updated version of record | https://www.mdpi.com/1999-4893/10/2/47/pdf |
| article html file updated | 27 April 2017 15:30 CEST | Original file | - |
| article pdf uploaded. | 27 April 2017 15:29 CEST | Version of Record | https://www.mdpi.com/1999-4893/10/2/47/pdf-vor |