| article html file updated | 8 February 2020 03:57 CET | Update | https://www.mdpi.com/2075-4698/7/2/8 |
| article html file updated | 24 September 2019 09:55 CEST | Update | - |
| article html file updated | 4 May 2019 01:32 CEST | Update | - |
| article html file updated | 30 June 2017 09:15 CEST | Update | - |
| article html file updated | 20 April 2017 08:03 CEST | Update | - |
| article xml uploaded. | 20 April 2017 08:02 CEST | Update | https://www.mdpi.com/2075-4698/7/2/8/xml |
| article pdf uploaded. | 20 April 2017 08:02 CEST | Updated version of record | https://www.mdpi.com/2075-4698/7/2/8/pdf |
| article html file updated | 19 April 2017 15:33 CEST | Original file | - |
| article pdf uploaded. | 19 April 2017 15:32 CEST | Version of Record | https://www.mdpi.com/2075-4698/7/2/8/pdf-vor |
