| article html file updated | 30 August 2025 23:26 CEST | Update | https://www.mdpi.com/2218-6581/8/3/66 |
| article html file updated | 20 July 2022 05:51 CEST | Update | - |
| article html file updated | 13 February 2020 07:12 CET | Update | - |
| article html file updated | 27 September 2019 12:02 CEST | Update | - |
| article html file updated | 8 August 2019 14:58 CEST | Original file | - |
| article pdf uploaded. | 8 August 2019 14:57 CEST | Updated version of record | https://www.mdpi.com/2218-6581/8/3/66/pdf |
| article xml uploaded. | 8 August 2019 14:57 CEST | Update | https://www.mdpi.com/2218-6581/8/3/66/xml |
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| article pdf uploaded. | 2 August 2019 17:56 CEST | Version of Record | https://www.mdpi.com/2218-6581/8/3/66/pdf-vor |
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