| article html file updated | 31 August 2025 11:59 CEST | Update | https://www.mdpi.com/2304-8158/9/2/211 |
| article html file updated | 20 July 2022 20:29 CEST | Update | N/A |
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| article pdf uploaded. | 18 February 2020 12:34 CET | Updated version of record | https://www.mdpi.com/2304-8158/9/2/211/pdf |
| article xml uploaded. | 18 February 2020 12:34 CET | Update | https://www.mdpi.com/2304-8158/9/2/211/xml |
| article xml file uploaded | 18 February 2020 12:34 CET | Update | N/A |
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