| article html file updated | 8 February 2020 23:56 CET | Update | https://www.mdpi.com/1422-0067/18/12/2690 |
| article html file updated | 29 September 2019 04:19 CEST | Update | - |
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| article html file updated | 2 January 2018 09:39 CET | Update | - |
| article html file updated | 13 December 2017 05:37 CET | Original file | - |
| article xml uploaded. | 13 December 2017 05:36 CET | Update | https://www.mdpi.com/1422-0067/18/12/2690/xml |
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| article pdf uploaded. | 13 December 2017 05:36 CET | Version of Record | https://www.mdpi.com/1422-0067/18/12/2690/pdf |
