| article html file updated | 8 February 2020 17:41 CET | Update | https://www.mdpi.com/2076-3263/7/4/97 |
| article html file updated | 2 May 2019 22:57 CEST | Update | N/A |
| article html file updated | 2 January 2018 11:43 CET | Update | N/A |
| article html file updated | 9 October 2017 11:04 CEST | Original file | N/A |
| article xml uploaded. | 9 October 2017 11:03 CEST | Original file | https://www.mdpi.com/2076-3263/7/4/97/xml |
| article pdf uploaded. | 9 October 2017 11:03 CEST | Updated version of record | https://www.mdpi.com/2076-3263/7/4/97/pdf |
| article pdf uploaded. | 2 October 2017 11:25 CEST | Version of Record | https://www.mdpi.com/2076-3263/7/4/97/pdf-vor |
