| article html file updated | 8 February 2020 07:41 CET | Update | https://www.mdpi.com/1422-0067/18/6/1222 |
| article html file updated | 25 September 2019 05:23 CEST | Update | - |
| article html file updated | 3 May 2019 18:34 CEST | Update | - |
| article html file updated | 28 June 2017 13:32 CEST | Update | - |
| article html file updated | 9 June 2017 12:21 CEST | Original file | - |
| article xml uploaded. | 9 June 2017 12:20 CEST | Update | https://www.mdpi.com/1422-0067/18/6/1222/xml |
| article pdf uploaded. | 9 June 2017 12:20 CEST | Updated version of record | https://www.mdpi.com/1422-0067/18/6/1222/pdf |
| article pdf uploaded. | 7 June 2017 12:52 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/6/1222/pdf-vor |
