| article html file updated | 8 February 2020 05:09 CET | Update | https://www.mdpi.com/1422-0067/18/5/994 |
| article html file updated | 24 September 2019 16:14 CEST | Update | - |
| article html file updated | 3 May 2019 23:20 CEST | Update | - |
| article html file updated | 1 June 2017 11:14 CEST | Update | - |
| article html file updated | 23 May 2017 03:46 CEST | Update | - |
| article html file updated | 5 May 2017 13:48 CEST | Original file | - |
| article xml uploaded. | 5 May 2017 13:46 CEST | Original file | https://www.mdpi.com/1422-0067/18/5/994/xml |
| article pdf uploaded. | 5 May 2017 13:46 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/5/994/pdf |
