| article html file updated | 31 August 2025 03:10 CEST | Update | https://www.mdpi.com/2227-7390/7/10/991 |
| article html file updated | 20 July 2022 01:20 CEST | Update | - |
| article html file updated | 14 February 2020 02:11 CET | Update | - |
| article html file updated | 31 October 2019 02:12 CET | Update | - |
| article html file updated | 23 October 2019 05:41 CEST | Original file | - |
| article pdf uploaded. | 23 October 2019 05:40 CEST | Updated version of record | https://www.mdpi.com/2227-7390/7/10/991/pdf |
| article xml uploaded. | 23 October 2019 05:40 CEST | Update | https://www.mdpi.com/2227-7390/7/10/991/xml |
| article xml file uploaded | 23 October 2019 05:40 CEST | Update | - |
| article pdf uploaded. | 18 October 2019 16:14 CEST | Version of Record | https://www.mdpi.com/2227-7390/7/10/991/pdf-vor |
| article xml file uploaded | 18 October 2019 16:13 CEST | Original file | - |
