| article html file updated | 5 February 2020 09:05 CET | Update | https://www.mdpi.com/1420-3049/12/7/1447 |
| article html file updated | 9 May 2019 18:01 CEST | Update | N/A |
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| article html file updated | 20 July 2017 11:56 CEST | Original file | N/A |
| article xml uploaded. | 20 July 2017 11:55 CEST | Original file | https://www.mdpi.com/1420-3049/12/7/1447/xml |
