| article html file updated | 30 August 2025 21:01 CEST | Update | https://www.mdpi.com/2304-8158/8/6/206 |
| article html file updated | 20 July 2022 15:45 CEST | Update | N/A |
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| article html file updated | 21 October 2019 17:36 CEST | Update | N/A |
| article html file updated | 13 June 2019 10:49 CEST | Original file | N/A |
| article pdf uploaded. | 13 June 2019 10:48 CEST | Updated version of record | https://www.mdpi.com/2304-8158/8/6/206/pdf |
| article xml uploaded. | 13 June 2019 10:48 CEST | Update | https://www.mdpi.com/2304-8158/8/6/206/xml |
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| article pdf uploaded. | 11 June 2019 16:45 CEST | Version of Record | https://www.mdpi.com/2304-8158/8/6/206/pdf-vor |
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