| article html file updated | 14 August 2026 23:37 CEST | Update | https://www.mdpi.com/1422-0067/19/4/937 |
| article html file updated | 9 February 2020 10:42 CET | Update | N/A |
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| article html file updated | 22 March 2018 08:25 CET | Original file | N/A |
| article xml uploaded. | 22 March 2018 08:24 CET | Original file | https://www.mdpi.com/1422-0067/19/4/937/xml |
| article pdf uploaded. | 22 March 2018 08:24 CET | Updated version of record | https://www.mdpi.com/1422-0067/19/4/937/pdf |
| article pdf uploaded. | 21 March 2018 16:35 CET | Version of Record | https://www.mdpi.com/1422-0067/19/4/937/pdf-vor |
