| article html file updated | 12 February 2020 03:09 CET | Update | https://www.mdpi.com/2079-6439/7/4/30 |
| article html file updated | 17 October 2019 19:03 CEST | Update | N/A |
| article html file updated | 9 May 2019 13:25 CEST | Update | N/A |
| article html file updated | 25 April 2019 16:36 CEST | Update | N/A |
| article html file updated | 21 April 2019 05:21 CEST | Original file | N/A |
| article pdf uploaded. | 21 April 2019 05:19 CEST | Updated version of record | https://www.mdpi.com/2079-6439/7/4/30/pdf |
| article xml uploaded. | 21 April 2019 05:19 CEST | Update | https://www.mdpi.com/2079-6439/7/4/30/xml |
| article xml file uploaded | 21 April 2019 05:19 CEST | Update | N/A |
| article pdf uploaded. | 4 April 2019 14:58 CEST | Version of Record | https://www.mdpi.com/2079-6439/7/4/30/pdf-vor |
| article xml file uploaded | 4 April 2019 14:58 CEST | Original file | N/A |
