| article html file updated | 7 February 2020 08:46 CET | Update | https://www.mdpi.com/1422-0067/17/5/734 |
| article html file updated | 5 May 2019 15:41 CEST | Update | - |
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| article html file updated | 29 June 2017 13:29 CEST | Update | - |
| article html file updated | 26 May 2016 12:10 CEST | Update | - |
| article html file updated | 16 May 2016 12:31 CEST | Original file | - |
| article xml uploaded. | 16 May 2016 12:30 CEST | Original file | https://www.mdpi.com/1422-0067/17/5/734/xml |
| article pdf uploaded. | 16 May 2016 12:30 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/5/734/pdf |
