| article html file updated | 12 February 2020 03:11 CET | Update | https://www.mdpi.com/2079-8954/7/2/21 |
| article html file updated | 17 October 2019 19:15 CEST | Update | N/A |
| article html file updated | 5 July 2019 08:16 CEST | Update | N/A |
| article html file updated | 5 July 2019 07:00 CEST | Update | N/A |
| article html file updated | 29 April 2019 09:15 CEST | Original file | N/A |
| article pdf uploaded. | 29 April 2019 09:14 CEST | Updated version of record | https://www.mdpi.com/2079-8954/7/2/21/pdf |
| article xml uploaded. | 29 April 2019 09:14 CEST | Update | https://www.mdpi.com/2079-8954/7/2/21/xml |
| article xml file uploaded | 29 April 2019 09:14 CEST | Update | N/A |
| article pdf uploaded. | 4 April 2019 15:50 CEST | Version of Record | https://www.mdpi.com/2079-8954/7/2/21/pdf-vor |
| article xml file uploaded | 4 April 2019 15:50 CEST | Original file | N/A |
