| article html file updated | 8 February 2020 08:03 CET | Update | https://www.mdpi.com/1422-0067/18/6/1242 |
| article html file updated | 25 September 2019 07:11 CEST | Update | - |
| article html file updated | 3 May 2019 17:53 CEST | Update | - |
| article html file updated | 28 June 2017 13:34 CEST | Update | - |
| article html file updated | 12 June 2017 10:36 CEST | Original file | - |
| article xml uploaded. | 12 June 2017 10:35 CEST | Original file | https://www.mdpi.com/1422-0067/18/6/1242/xml |
| article pdf uploaded. | 12 June 2017 10:35 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/6/1242/pdf |
