| article html file updated | 8 February 2020 07:47 CET | Update | https://www.mdpi.com/1422-0067/18/6/1229 |
| article html file updated | 25 September 2019 05:56 CEST | Update | - |
| article html file updated | 3 May 2019 18:22 CEST | Update | - |
| article html file updated | 28 June 2017 13:33 CEST | Update | - |
| article html file updated | 8 June 2017 13:34 CEST | Original file | - |
| article xml uploaded. | 8 June 2017 13:33 CEST | Original file | https://www.mdpi.com/1422-0067/18/6/1229/xml |
| article pdf uploaded. | 8 June 2017 13:33 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/6/1229/pdf |
