| article html file updated | 30 August 2025 01:02 CEST | Update | https://www.mdpi.com/1999-4907/8/9/302 |
| article html file updated | 16 July 2022 06:00 CEST | Update | N/A |
| article html file updated | 8 February 2020 14:22 CET | Update | N/A |
| article html file updated | 26 September 2019 17:32 CEST | Update | N/A |
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| article html file updated | 30 September 2017 10:26 CEST | Update | N/A |
| article html file updated | 24 August 2017 13:02 CEST | Original file | N/A |
| article xml uploaded. | 24 August 2017 13:01 CEST | Update | https://www.mdpi.com/1999-4907/8/9/302/xml |
| article xml uploaded. | 24 August 2017 13:01 CEST | Original file | N/A |
| article pdf uploaded. | 24 August 2017 13:01 CEST | Version of Record | https://www.mdpi.com/1999-4907/8/9/302/pdf |
