| article html file updated | 7 February 2020 21:27 CET | Update | https://www.mdpi.com/1422-0067/18/1/153 |
| article html file updated | 22 September 2019 21:17 CEST | Update | - |
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| article html file updated | 8 February 2017 11:04 CET | Update | - |
| article html file updated | 13 January 2017 12:02 CET | Original file | - |
| article xml uploaded. | 13 January 2017 12:01 CET | Original file | https://www.mdpi.com/1422-0067/18/1/153/xml |
| article pdf uploaded. | 13 January 2017 12:01 CET | Version of Record | https://www.mdpi.com/1422-0067/18/1/153/pdf |
