| article html file updated | 8 February 2020 07:50 CET | Update | https://www.mdpi.com/1422-0067/18/6/1226 |
| article html file updated | 25 September 2019 06:10 CEST | Update | - |
| article html file updated | 3 May 2019 18:17 CEST | Update | - |
| article html file updated | 28 June 2017 13:32 CEST | Update | - |
| article html file updated | 9 June 2017 05:55 CEST | Original file | - |
| article xml uploaded. | 9 June 2017 05:54 CEST | Original file | https://www.mdpi.com/1422-0067/18/6/1226/xml |
| article pdf uploaded. | 9 June 2017 05:54 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/6/1226/pdf |
