| article html file updated | 17 August 2026 00:39 CEST | Update | https://www.mdpi.com/2227-9717/8/2/135 |
| article html file updated | 31 August 2025 09:37 CEST | Update | N/A |
| article html file updated | 20 July 2022 18:09 CEST | Update | N/A |
| article html file updated | 6 March 2020 21:04 CET | Update | N/A |
| article html file updated | 15 February 2020 05:07 CET | Update | N/A |
| article html file updated | 13 February 2020 14:03 CET | Update | N/A |
| article pdf uploaded. | 13 February 2020 14:02 CET | Updated version of record | https://www.mdpi.com/2227-9717/8/2/135/pdf |
| article xml file uploaded | 13 February 2020 14:02 CET | Update | https://www.mdpi.com/2227-9717/8/2/135/xml |
| article html file updated | 13 February 2020 14:01 CET | Original file | N/A |
| article pdf uploaded. | 13 February 2020 13:59 CET | Updated version of record | https://www.mdpi.com/2227-9717/8/2/135/pdf-vor |
| article xml uploaded. | 13 February 2020 13:59 CET | Update | N/A |
| article xml file uploaded | 13 February 2020 13:59 CET | Update | N/A |
| article pdf uploaded. | 21 January 2020 15:45 CET | Version of Record | https://www.mdpi.com/2227-9717/8/2/135/pdf-vor |
| article xml file uploaded | 21 January 2020 15:45 CET | Original file | N/A |
