| article html file updated | 7 February 2020 08:41 CET | Update | https://www.mdpi.com/1422-0067/17/5/720 |
| article html file updated | 5 May 2019 15:49 CEST | Update | - |
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| article html file updated | 26 May 2016 12:07 CEST | Update | - |
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| article xml uploaded. | 13 May 2016 15:18 CEST | Original file | https://www.mdpi.com/1422-0067/17/5/720/xml |
| article pdf uploaded. | 13 May 2016 15:18 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/5/720/pdf |
