| article html file updated | 9 February 2020 03:01 CET | Update | https://www.mdpi.com/1422-0067/19/1/239 |
| article html file updated | 29 September 2019 21:45 CEST | Update | - |
| article html file updated | 2 May 2019 02:20 CEST | Update | - |
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| article html file updated | 2 February 2018 10:08 CET | Update | - |
| article html file updated | 13 January 2018 12:58 CET | Original file | - |
| article xml uploaded. | 13 January 2018 12:57 CET | Original file | https://www.mdpi.com/1422-0067/19/1/239/xml |
| article pdf uploaded. | 13 January 2018 12:57 CET | Version of Record | https://www.mdpi.com/1422-0067/19/1/239/pdf |
