| article html file updated | 17 February 2022 04:54 CET | Update | https://www.mdpi.com/1420-3049/21/1/55 |
| article xml uploaded. | 17 February 2022 04:53 CET | Update | https://www.mdpi.com/1420-3049/21/1/55/xml |
| article html file updated | 7 February 2020 02:57 CET | Update | N/A |
| article html file updated | 21 September 2019 09:00 CEST | Update | N/A |
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| article html file updated | 12 November 2018 04:14 CET | Original file | N/A |
| article pdf uploaded. | 31 December 2015 13:47 CET | Version of Record | https://www.mdpi.com/1420-3049/21/1/55/pdf |
| article xml uploaded. | 31 December 2015 13:47 CET | Original file | N/A |
