| article html file updated | 9 February 2020 10:12 CET | Update | https://www.mdpi.com/1422-0067/19/3/890 | 
| article html file updated | 1 October 2019 17:16 CEST | Update | - | 
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| article xml uploaded. | 17 March 2018 05:59 CET | Original file | https://www.mdpi.com/1422-0067/19/3/890/xml | 
| article pdf uploaded. | 17 March 2018 05:59 CET | Version of Record | https://www.mdpi.com/1422-0067/19/3/890/pdf |