| article pdf uploaded. | 18 March 2021 10:49 CET | Updated version of record | https://www.mdpi.com/1422-0067/16/2/2574/pdf |
| article html file updated | 6 February 2020 15:25 CET | Update | https://www.mdpi.com/1422-0067/16/2/2574 |
| article html file updated | 7 May 2019 02:01 CEST | Update | - |
| article html file updated | 25 March 2019 20:53 CET | Update | - |
| article html file updated | 21 August 2015 06:23 CEST | Update | - |
| article html file updated | 3 March 2015 07:00 CET | Original file | - |
| article xml file uploaded | 3 March 2015 07:00 CET | Original file | https://www.mdpi.com/1422-0067/16/2/2574/xml |
| article supplementary file uploaded. | 23 January 2015 15:26 CET | - | https://www.mdpi.com/1422-0067/16/2/2574#supplementary |
| article pdf uploaded. | 23 January 2015 15:26 CET | Version of Record | https://www.mdpi.com/1422-0067/16/2/2574/pdf-vor |
