| article html file updated | 8 February 2020 15:52 CET | Update | https://www.mdpi.com/1422-0067/18/9/1947 |
| article html file updated | 27 September 2019 01:44 CEST | Update | - |
| article html file updated | 3 May 2019 02:33 CEST | Update | - |
| article html file updated | 30 September 2017 12:20 CEST | Update | - |
| article html file updated | 11 September 2017 13:54 CEST | Original file | - |
| article xml uploaded. | 11 September 2017 13:53 CEST | Update | https://www.mdpi.com/1422-0067/18/9/1947/xml |
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| article pdf uploaded. | 11 September 2017 13:53 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/9/1947/pdf |
