| article html file updated | 8 February 2020 05:12 CET | Update | https://www.mdpi.com/1422-0067/18/5/992 |
| article html file updated | 24 September 2019 16:28 CEST | Update | - |
| article html file updated | 3 May 2019 23:15 CEST | Update | - |
| article html file updated | 1 June 2017 11:13 CEST | Update | - |
| article html file updated | 23 May 2017 03:47 CEST | Update | - |
| article html file updated | 6 May 2017 10:24 CEST | Original file | - |
| article xml uploaded. | 6 May 2017 10:22 CEST | Original file | https://www.mdpi.com/1422-0067/18/5/992/xml |
| article pdf uploaded. | 6 May 2017 10:22 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/5/992/pdf |
