| article html file updated | 31 August 2025 00:59 CEST | Update | https://www.mdpi.com/2227-9059/7/3/68 |
| article html file updated | 21 August 2025 22:23 CEST | Update | N/A |
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| article html file updated | 13 February 2020 15:18 CET | Update | N/A |
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| article html file updated | 5 September 2019 09:58 CEST | Original file | N/A |
| article pdf uploaded. | 5 September 2019 09:56 CEST | Version of Record | https://www.mdpi.com/2227-9059/7/3/68/pdf |
| article xml uploaded. | 5 September 2019 09:56 CEST | Update | https://www.mdpi.com/2227-9059/7/3/68/xml |
| article xml file uploaded | 5 September 2019 09:56 CEST | Original file | N/A |
