| article html file updated | 8 February 2020 02:52 CET | Update | https://www.mdpi.com/1422-0067/18/4/767 |
| article html file updated | 24 September 2019 03:47 CEST | Update | - |
| article html file updated | 4 May 2019 03:41 CEST | Update | - |
| article html file updated | 2 May 2017 05:58 CEST | Update | - |
| article html file updated | 7 April 2017 06:19 CEST | Original file | - |
| article xml uploaded. | 7 April 2017 06:18 CEST | Original file | https://www.mdpi.com/1422-0067/18/4/767/xml |
| article pdf uploaded. | 7 April 2017 06:18 CEST | Updated version of record | https://www.mdpi.com/1422-0067/18/4/767/pdf |
| article pdf uploaded. | 4 April 2017 15:29 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/4/767/pdf-vor |
