| article html file updated | 2 September 2025 07:08 CEST | Update | https://www.mdpi.com/2226-471X/6/2/87 |
| article html file updated | 26 July 2022 19:27 CEST | Update | N/A |
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| article pdf uploaded. | 18 May 2021 08:27 CEST | Updated version of record | https://www.mdpi.com/2226-471X/6/2/87/pdf |
| article xml uploaded. | 18 May 2021 08:27 CEST | Update | https://www.mdpi.com/2226-471X/6/2/87/xml |
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