| article html file updated | 14 August 2026 17:28 CEST | Update | https://www.mdpi.com/1999-4907/8/9/343 |
| article html file updated | 30 August 2025 01:10 CEST | Update | N/A |
| article html file updated | 16 July 2022 06:18 CEST | Update | N/A |
| article html file updated | 8 February 2020 16:03 CET | Update | N/A |
| article html file updated | 27 September 2019 02:41 CEST | Update | N/A |
| article html file updated | 3 May 2019 02:14 CEST | Update | N/A |
| article html file updated | 30 September 2017 10:22 CEST | Update | N/A |
| article html file updated | 14 September 2017 11:16 CEST | Original file | N/A |
| article xml uploaded. | 14 September 2017 11:15 CEST | Original file | https://www.mdpi.com/1999-4907/8/9/343/xml |
| article pdf uploaded. | 14 September 2017 11:15 CEST | Updated version of record | https://www.mdpi.com/1999-4907/8/9/343/pdf |
| article pdf uploaded. | 13 September 2017 12:19 CEST | Version of Record | https://www.mdpi.com/1999-4907/8/9/343/pdf-vor |
