| article html file updated | 25 July 2025 14:17 CEST | Update | https://new.mdpi.com/2227-9717/3/4/730 |
| article xml uploaded. | 25 July 2025 14:16 CEST | Update | https://new.mdpi.com/2227-9717/3/4/730/xml |
| article html file updated | 11 June 2024 06:50 CEST | Update | - |
| article pdf uploaded. | 11 June 2024 06:49 CEST | Updated version of record | https://new.mdpi.com/2227-9717/3/4/730/pdf |
| article html file updated | 6 June 2024 03:25 CEST | Update | - |
| article pdf uploaded. | 6 June 2024 03:24 CEST | Updated version of record | https://new.mdpi.com/2227-9717/3/4/730/pdf-vor |
| article html file updated | 6 February 2020 23:16 CET | Update | - |
| article html file updated | 21 September 2019 04:07 CEST | Update | - |
| article html file updated | 6 May 2019 10:21 CEST | Update | - |
| article html file updated | 26 March 2019 11:39 CET | Original file | - |
| article pdf uploaded. | 1 October 2015 09:45 CEST | Updated version of record | https://new.mdpi.com/2227-9717/3/4/730/pdf-vor |
| article pdf uploaded. | 29 September 2015 11:04 CEST | Updated version of record | https://new.mdpi.com/2227-9717/3/4/730/pdf-vor |
| article pdf uploaded. | 25 September 2015 17:04 CEST | Version of Record | https://new.mdpi.com/2227-9717/3/4/730/pdf-vor |
