| article html file updated | 16 August 2026 01:07 CEST | Update | https://www.mdpi.com/1999-5903/11/6/121 |
| article html file updated | 30 August 2025 20:21 CEST | Update | N/A |
| article html file updated | 19 July 2022 19:13 CEST | Update | N/A |
| article html file updated | 12 February 2020 15:44 CET | Update | N/A |
| article html file updated | 20 October 2019 20:52 CEST | Update | N/A |
| article html file updated | 3 July 2019 17:57 CEST | Update | N/A |
| article html file updated | 23 June 2019 12:48 CEST | Original file | N/A |
| article pdf uploaded. | 23 June 2019 12:46 CEST | Updated version of record | https://www.mdpi.com/1999-5903/11/6/121/pdf |
| article xml uploaded. | 23 June 2019 12:46 CEST | Update | https://www.mdpi.com/1999-5903/11/6/121/xml |
| article xml file uploaded | 23 June 2019 12:46 CEST | Update | N/A |
| article pdf uploaded. | 28 May 2019 10:54 CEST | Version of Record | https://www.mdpi.com/1999-5903/11/6/121/pdf-vor |
| article xml file uploaded | 28 May 2019 10:54 CEST | Original file | N/A |
