| article html file updated | 31 August 2025 00:37 CEST | Update | https://www.mdpi.com/2223-7747/8/9/310 |
| article html file updated | 20 July 2022 04:24 CEST | Update | N/A |
| article html file updated | 13 February 2020 13:21 CET | Update | N/A |
| article html file updated | 27 September 2019 16:27 CEST | Update | N/A |
| article html file updated | 29 August 2019 07:47 CEST | Original file | N/A |
| article pdf uploaded. | 29 August 2019 07:46 CEST | Version of Record | https://www.mdpi.com/2223-7747/8/9/310/pdf |
| article xml uploaded. | 29 August 2019 07:46 CEST | Update | https://www.mdpi.com/2223-7747/8/9/310/xml |
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