| article html file updated | 8 February 2020 04:20 CET | Update | https://www.mdpi.com/1422-0067/18/5/901 |
| article html file updated | 24 September 2019 12:00 CEST | Update | - |
| article html file updated | 4 May 2019 00:50 CEST | Update | - |
| article html file updated | 1 June 2017 11:01 CEST | Update | - |
| article html file updated | 25 April 2017 16:19 CEST | Original file | - |
| article xml uploaded. | 25 April 2017 16:17 CEST | Update | https://www.mdpi.com/1422-0067/18/5/901/xml |
| article pdf uploaded. | 25 April 2017 16:17 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/5/901/pdf |
