| article html file updated | 8 February 2020 04:55 CET | Update | https://www.mdpi.com/1422-0067/18/5/968 |
| article html file updated | 24 September 2019 15:04 CEST | Update | - |
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| article html file updated | 1 June 2017 11:10 CEST | Update | - |
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| article html file updated | 3 May 2017 10:39 CEST | Original file | - |
| article xml uploaded. | 3 May 2017 10:38 CEST | Original file | https://www.mdpi.com/1422-0067/18/5/968/xml |
| article pdf uploaded. | 3 May 2017 10:38 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/5/968/pdf |
