| article html file updated | 8 February 2020 08:52 CET | Update | https://www.mdpi.com/1422-0067/18/6/1331 |
| article html file updated | 3 May 2019 16:21 CEST | Update | - |
| article html file updated | 28 June 2017 13:45 CEST | Update | - |
| article html file updated | 22 June 2017 11:39 CEST | Update | - |
| article html file updated | 22 June 2017 11:38 CEST | Original file | - |
| article xml uploaded. | 22 June 2017 10:45 CEST | Update | https://www.mdpi.com/1422-0067/18/6/1331/xml |
| article pdf uploaded. | 22 June 2017 10:38 CEST | Updated version of record | https://www.mdpi.com/1422-0067/18/6/1331/pdf |
| article pdf uploaded. | 21 June 2017 12:33 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/6/1331/pdf-vor |
