| article html file updated | 8 February 2020 07:57 CET | Update | https://www.mdpi.com/1422-0067/18/6/1244 |
| article html file updated | 25 September 2019 06:41 CEST | Update | - |
| article html file updated | 3 May 2019 18:04 CEST | Update | - |
| article html file updated | 28 June 2017 13:35 CEST | Update | - |
| article html file updated | 12 June 2017 10:47 CEST | Original file | - |
| article xml uploaded. | 12 June 2017 10:45 CEST | Update | https://www.mdpi.com/1422-0067/18/6/1244/xml |
| article pdf uploaded. | 12 June 2017 10:45 CEST | Updated version of record | https://www.mdpi.com/1422-0067/18/6/1244/pdf |
| article pdf uploaded. | 10 June 2017 10:45 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/6/1244/pdf-vor |
