| article html file updated | 12 November 2022 08:53 CET | Update | https://www.mdpi.com/1420-3049/2/6/M22 |
| article html file updated | 5 February 2020 12:10 CET | Update | N/A |
| article html file updated | 18 September 2019 17:47 CEST | Update | N/A |
| article html file updated | 9 May 2019 11:35 CEST | Update | N/A |
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| article html file updated | 12 December 2017 09:05 CET | Original file | N/A |
| article xml uploaded. | 12 December 2017 09:04 CET | Original file | https://www.mdpi.com/1420-3049/2/6/M22/xml |
