| article html file updated | 8 February 2020 13:51 CET | Update | https://www.mdpi.com/1422-0067/18/8/1681 |
| article html file updated | 26 September 2019 14:55 CEST | Update | - |
| article html file updated | 3 May 2019 06:20 CEST | Update | - |
| article html file updated | 27 March 2019 21:29 CET | Update | - |
| article html file updated | 1 September 2017 05:39 CEST | Update | - |
| article html file updated | 18 August 2017 11:51 CEST | Original file | - |
| article xml uploaded. | 18 August 2017 11:50 CEST | Original file | https://www.mdpi.com/1422-0067/18/8/1681/xml |
| article pdf uploaded. | 18 August 2017 11:50 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/8/1681/pdf |
