| article html file updated | 7 February 2020 03:42 CET | Update | https://www.mdpi.com/1422-0067/17/1/136 |
| article html file updated | 6 May 2019 02:03 CEST | Update | - |
| article html file updated | 26 March 2019 18:59 CET | Original file | - |
| article pdf uploaded. | 22 January 2016 15:02 CET | Updated version of record | https://www.mdpi.com/1422-0067/17/1/136/pdf |
| article pdf uploaded. | 21 January 2016 09:02 CET | Version of Record | https://www.mdpi.com/1422-0067/17/1/136/pdf-vor |
| article xml uploaded. | 21 January 2016 09:02 CET | Original file | https://www.mdpi.com/1422-0067/17/1/136/xml |
