| article html file updated | 7 February 2020 19:09 CET | Update | https://www.mdpi.com/1422-0067/17/12/2038 |
| article html file updated | 4 May 2019 20:13 CEST | Update | - |
| article html file updated | 27 December 2016 11:06 CET | Update | - |
| article html file updated | 6 December 2016 10:53 CET | Original file | - |
| article xml uploaded. | 6 December 2016 10:52 CET | Original file | https://www.mdpi.com/1422-0067/17/12/2038/xml |
| article pdf uploaded. | 6 December 2016 10:52 CET | Version of Record | https://www.mdpi.com/1422-0067/17/12/2038/pdf |
