| article html file updated | 8 February 2020 08:20 CET | Update | https://www.mdpi.com/1422-0067/18/6/1271 |
| article html file updated | 25 September 2019 08:41 CEST | Update | - |
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| article html file updated | 28 June 2017 13:38 CEST | Update | - |
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| article xml uploaded. | 15 June 2017 15:28 CEST | Original file | https://www.mdpi.com/1422-0067/18/6/1271/xml |
| article pdf uploaded. | 15 June 2017 15:28 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/6/1271/pdf |
