| article html file updated | 1 September 2025 08:42 CEST | Update | https://www.mdpi.com/1999-4907/11/9/1001 | 
| article html file updated | 22 July 2022 07:33 CEST | Update | - | 
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| article pdf uploaded. | 25 September 2020 03:06 CEST | Updated version of record | https://www.mdpi.com/1999-4907/11/9/1001/pdf | 
| article xml uploaded. | 25 September 2020 03:06 CEST | Update | https://www.mdpi.com/1999-4907/11/9/1001/xml | 
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| article html file updated | 18 September 2020 11:10 CEST | Original file | - | 
| article pdf uploaded. | 18 September 2020 11:08 CEST | Updated version of record | https://www.mdpi.com/1999-4907/11/9/1001/pdf-vor | 
| article xml uploaded. | 18 September 2020 11:08 CEST | Update | - | 
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| article pdf uploaded. | 17 September 2020 13:41 CEST | Updated version of record | https://www.mdpi.com/1999-4907/11/9/1001/pdf-vor | 
| article pdf uploaded. | 17 September 2020 13:41 CEST | Version of Record | https://www.mdpi.com/1999-4907/11/9/1001/pdf-vor |