| article html file updated | 31 August 2025 01:13 CEST | Update | https://www.mdpi.com/2227-9709/6/3/40 |
| article html file updated | 20 July 2022 03:40 CEST | Update | - |
| article html file updated | 13 February 2020 16:34 CET | Update | - |
| article html file updated | 26 September 2019 17:35 CEST | Update | - |
| article html file updated | 10 September 2019 12:04 CEST | Original file | - |
| article pdf uploaded. | 10 September 2019 12:03 CEST | Version of Record | https://www.mdpi.com/2227-9709/6/3/40/pdf |
| article xml uploaded. | 10 September 2019 12:03 CEST | Update | https://www.mdpi.com/2227-9709/6/3/40/xml |
| article xml file uploaded | 10 September 2019 12:03 CEST | Original file | - |
