| article html file updated | 8 February 2020 07:00 CET | Update | https://www.mdpi.com/1422-0067/18/6/1157 |
| article html file updated | 25 September 2019 01:54 CEST | Update | - |
| article html file updated | 3 May 2019 19:51 CEST | Update | - |
| article html file updated | 28 June 2017 13:22 CEST | Update | - |
| article html file updated | 30 May 2017 11:52 CEST | Original file | - |
| article xml uploaded. | 30 May 2017 11:50 CEST | Original file | https://www.mdpi.com/1422-0067/18/6/1157/xml |
| article pdf uploaded. | 30 May 2017 11:50 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/6/1157/pdf |
