| article html file updated | 7 February 2020 21:37 CET | Update | https://www.mdpi.com/1422-0067/18/1/176 |
| article html file updated | 22 September 2019 22:17 CEST | Update | N/A |
| article html file updated | 4 May 2019 14:51 CEST | Update | N/A |
| article html file updated | 8 February 2017 11:07 CET | Update | N/A |
| article html file updated | 17 January 2017 11:13 CET | Original file | N/A |
| article xml uploaded. | 17 January 2017 11:12 CET | Original file | https://www.mdpi.com/1422-0067/18/1/176/xml |
| article pdf uploaded. | 17 January 2017 11:12 CET | Version of Record | https://www.mdpi.com/1422-0067/18/1/176/pdf |
