| article html file updated | 30 August 2025 01:02 CEST | Update | https://www.mdpi.com/1999-4907/8/9/310 |
| article html file updated | 16 July 2022 06:02 CEST | Update | N/A |
| article html file updated | 8 February 2020 14:32 CET | Update | N/A |
| article html file updated | 26 September 2019 18:21 CEST | Update | N/A |
| article html file updated | 3 May 2019 05:03 CEST | Update | N/A |
| article html file updated | 30 September 2017 10:25 CEST | Update | N/A |
| article html file updated | 25 August 2017 14:14 CEST | Original file | N/A |
| article xml uploaded. | 25 August 2017 14:13 CEST | Original file | https://www.mdpi.com/1999-4907/8/9/310/xml |
| article pdf uploaded. | 25 August 2017 14:13 CEST | Version of Record | https://www.mdpi.com/1999-4907/8/9/310/pdf |
