| article html file updated | 8 February 2020 03:41 CET | Update | https://www.mdpi.com/2076-3263/7/2/28 |
| article html file updated | 24 September 2019 08:17 CEST | Update | - |
| article html file updated | 4 May 2019 02:03 CEST | Update | - |
| article html file updated | 25 July 2017 10:26 CEST | Update | - |
| article html file updated | 17 April 2017 14:03 CEST | Original file | - |
| article xml uploaded. | 17 April 2017 14:01 CEST | Update | https://www.mdpi.com/2076-3263/7/2/28/xml |
| article pdf uploaded. | 17 April 2017 14:01 CEST | Updated version of record | https://www.mdpi.com/2076-3263/7/2/28/pdf |
| article pdf uploaded. | 15 April 2017 09:09 CEST | Version of Record | https://www.mdpi.com/2076-3263/7/2/28/pdf-vor |
