| article html file updated | 8 February 2020 16:23 CET | Update | https://www.mdpi.com/1422-0067/18/9/1995 |
| article html file updated | 27 September 2019 04:36 CEST | Update | - |
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| article html file updated | 30 September 2017 12:26 CEST | Update | - |
| article html file updated | 16 September 2017 10:41 CEST | Original file | - |
| article xml uploaded. | 16 September 2017 10:40 CEST | Original file | https://www.mdpi.com/1422-0067/18/9/1995/xml |
| article pdf uploaded. | 16 September 2017 10:40 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/9/1995/pdf |
