| article html file updated | 7 February 2020 05:24 CET | Update | https://www.mdpi.com/1422-0067/17/3/335 |
| article html file updated | 5 May 2019 22:32 CEST | Update | - |
| article html file updated | 26 March 2019 22:28 CET | Update | - |
| article html file updated | 30 March 2016 12:02 CEST | Original file | - |
| article pdf uploaded. | 3 March 2016 09:49 CET | Version of Record | https://www.mdpi.com/1422-0067/17/3/335/pdf |
| article xml uploaded. | 3 March 2016 09:49 CET | Original file | https://www.mdpi.com/1422-0067/17/3/335/xml |
