| article html file updated | 16 August 2026 23:11 CEST | Update | https://www.mdpi.com/1999-4907/11/1/69 |
| article html file updated | 15 February 2020 00:37 CET | Update | N/A |
| article html file updated | 7 February 2020 06:00 CET | Update | N/A |
| article html file updated | 22 January 2020 07:25 CET | Original file | N/A |
| article pdf uploaded. | 22 January 2020 07:23 CET | Updated version of record | https://www.mdpi.com/1999-4907/11/1/69/pdf |
| article xml uploaded. | 22 January 2020 07:23 CET | Update | https://www.mdpi.com/1999-4907/11/1/69/xml |
| article xml file uploaded | 22 January 2020 07:23 CET | Update | N/A |
| article pdf uploaded. | 6 January 2020 15:25 CET | Updated version of record | https://www.mdpi.com/1999-4907/11/1/69/pdf-vor |
| article xml file uploaded | 6 January 2020 15:25 CET | Update | N/A |
| article pdf uploaded. | 6 January 2020 15:24 CET | Version of Record | https://www.mdpi.com/1999-4907/11/1/69/pdf-vor |
| article xml file uploaded | 6 January 2020 15:24 CET | Original file | N/A |
