| article html file updated | 31 August 2025 01:12 CEST | Update | https://www.mdpi.com/2227-9067/6/9/102 |
| article html file updated | 20 July 2022 03:42 CEST | Update | - |
| article html file updated | 13 February 2020 16:26 CET | Update | - |
| article html file updated | 25 September 2019 23:04 CEST | Update | - |
| article html file updated | 17 September 2019 12:20 CEST | Update | - |
| article html file updated | 17 September 2019 12:09 CEST | Update | - |
| article html file updated | 17 September 2019 11:59 CEST | Original file | - |
| article pdf uploaded. | 17 September 2019 11:50 CEST | Updated version of record | https://www.mdpi.com/2227-9067/6/9/102/pdf |
| article xml uploaded. | 17 September 2019 11:50 CEST | Update | https://www.mdpi.com/2227-9067/6/9/102/xml |
| article xml file uploaded | 17 September 2019 11:50 CEST | Update | - |
| article pdf uploaded. | 9 September 2019 17:03 CEST | Version of Record | https://www.mdpi.com/2227-9067/6/9/102/pdf-vor |
| article xml file uploaded | 9 September 2019 17:03 CEST | Original file | - |
