| article html file updated | 30 August 2025 21:03 CEST | Update | https://www.mdpi.com/2304-6732/6/2/68 |
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| article html file updated | 12 June 2019 13:00 CEST | Original file | N/A |
| article pdf uploaded. | 12 June 2019 12:59 CEST | Version of Record | https://www.mdpi.com/2304-6732/6/2/68/pdf |
| article xml uploaded. | 12 June 2019 12:59 CEST | Update | https://www.mdpi.com/2304-6732/6/2/68/xml |
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