| article html file updated | 7 February 2020 03:25 CET | Update | https://www.mdpi.com/1422-0067/17/1/104 |
| article html file updated | 6 May 2019 02:36 CEST | Update | N/A |
| article html file updated | 26 March 2019 18:26 CET | Original file | N/A |
| article pdf uploaded. | 14 January 2016 11:42 CET | Version of Record | https://www.mdpi.com/1422-0067/17/1/104/pdf |
| article xml uploaded. | 14 January 2016 11:42 CET | Original file | https://www.mdpi.com/1422-0067/17/1/104/xml |
