| article html file updated | 13 February 2020 22:51 CET | Update | https://www.mdpi.com/2076-3921/8/10/457 |
| article html file updated | 31 October 2019 15:02 CET | Update | N/A |
| article html file updated | 21 October 2019 13:19 CEST | Original file | N/A |
| article pdf uploaded. | 21 October 2019 13:17 CEST | Updated version of record | https://www.mdpi.com/2076-3921/8/10/457/pdf |
| article xml uploaded. | 21 October 2019 13:17 CEST | Update | https://www.mdpi.com/2076-3921/8/10/457/xml |
| article xml file uploaded | 21 October 2019 13:17 CEST | Update | N/A |
| article pdf uploaded. | 7 October 2019 11:31 CEST | Version of Record | https://www.mdpi.com/2076-3921/8/10/457/pdf-vor |
| article xml file uploaded | 7 October 2019 11:31 CEST | Original file | N/A |
