| article html file updated | 17 August 2026 01:23 CEST | Update | https://www.mdpi.com/2076-0817/9/2/87 |
| article html file updated | 24 December 2025 17:18 CET | Update | N/A |
| article html file updated | 31 August 2025 10:17 CEST | Update | N/A |
| article html file updated | 20 July 2022 18:48 CEST | Update | N/A |
| article html file updated | 6 March 2020 06:22 CET | Update | N/A |
| article html file updated | 20 February 2020 05:25 CET | Original file | N/A |
| article pdf uploaded. | 20 February 2020 05:24 CET | Updated version of record | https://www.mdpi.com/2076-0817/9/2/87/pdf |
| article xml uploaded. | 20 February 2020 05:24 CET | Update | https://www.mdpi.com/2076-0817/9/2/87/xml |
| article xml file uploaded | 20 February 2020 05:24 CET | Update | N/A |
| article pdf uploaded. | 30 January 2020 12:36 CET | Version of Record | https://www.mdpi.com/2076-0817/9/2/87/pdf-vor |
| article xml file uploaded | 30 January 2020 12:36 CET | Original file | N/A |
