| article html file updated | 31 August 2025 04:06 CEST | Update | https://www.mdpi.com/2079-9276/8/4/171 |
| article html file updated | 20 July 2022 00:14 CEST | Update | N/A |
| article html file updated | 14 February 2020 06:58 CET | Update | N/A |
| article html file updated | 30 December 2019 23:36 CET | Update | N/A |
| article html file updated | 5 November 2019 12:50 CET | Original file | N/A |
| article pdf uploaded. | 5 November 2019 12:48 CET | Version of Record | https://www.mdpi.com/2079-9276/8/4/171/pdf |
| article xml uploaded. | 5 November 2019 12:48 CET | Update | https://www.mdpi.com/2079-9276/8/4/171/xml |
| article xml file uploaded | 5 November 2019 12:48 CET | Original file | N/A |
