| article html file updated | 8 February 2020 22:18 CET | Update | https://www.mdpi.com/1422-0067/18/12/2535 |
| article html file updated | 28 September 2019 18:39 CEST | Update | - |
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| article html file updated | 2 January 2018 09:14 CET | Update | - |
| article html file updated | 26 November 2017 11:18 CET | Original file | - |
| article xml uploaded. | 26 November 2017 11:16 CET | Original file | https://www.mdpi.com/1422-0067/18/12/2535/xml |
| article pdf uploaded. | 26 November 2017 11:16 CET | Version of Record | https://www.mdpi.com/1422-0067/18/12/2535/pdf |
