| article html file updated | 31 August 2025 08:26 CEST | Update | https://www.mdpi.com/2227-7390/8/1/102 | 
| article html file updated | 19 July 2022 19:54 CEST | Update | - | 
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| article pdf uploaded. | 21 January 2020 14:54 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/1/102/pdf | 
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| article pdf uploaded. | 7 January 2020 13:58 CET | Version of Record | https://www.mdpi.com/2227-7390/8/1/102/pdf-vor | 
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