| article html file updated | 31 August 2025 02:51 CEST | Update | https://www.mdpi.com/2227-9091/7/4/103 |
| article html file updated | 20 July 2022 01:41 CEST | Update | - |
| article html file updated | 14 February 2020 00:37 CET | Update | - |
| article html file updated | 31 December 2019 00:02 CET | Update | - |
| article html file updated | 14 October 2019 10:48 CEST | Original file | - |
| article pdf uploaded. | 14 October 2019 10:46 CEST | Version of Record | https://www.mdpi.com/2227-9091/7/4/103/pdf |
| article xml uploaded. | 14 October 2019 10:46 CEST | Update | https://www.mdpi.com/2227-9091/7/4/103/xml |
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