| article html file updated | 8 February 2020 06:38 CET | Update | https://www.mdpi.com/1422-0067/18/6/1117 |
| article html file updated | 3 May 2019 20:32 CEST | Update | N/A |
| article html file updated | 28 June 2017 13:17 CEST | Update | N/A |
| article html file updated | 24 May 2017 15:01 CEST | Original file | N/A |
| article xml uploaded. | 24 May 2017 15:00 CEST | Original file | https://www.mdpi.com/1422-0067/18/6/1117/xml |
| article pdf uploaded. | 24 May 2017 15:00 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/6/1117/pdf |
