| article html file updated | 8 February 2020 10:59 CET | Update | https://www.mdpi.com/1422-0067/18/7/1521 |
| article html file updated | 25 September 2019 22:40 CEST | Update | - |
| article html file updated | 3 May 2019 12:25 CEST | Update | - |
| article html file updated | 31 July 2017 08:12 CEST | Update | - |
| article html file updated | 14 July 2017 11:23 CEST | Update | - |
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| article html file updated | 14 July 2017 11:21 CEST | Original file | - |
| article xml uploaded. | 14 July 2017 11:20 CEST | Original file | https://www.mdpi.com/1422-0067/18/7/1521/xml |
| article pdf uploaded. | 14 July 2017 11:20 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/7/1521/pdf |
