| article html file updated | 8 February 2020 04:43 CET | Update | https://www.mdpi.com/1422-0067/18/5/939 |
| article html file updated | 24 September 2019 14:00 CEST | Update | - |
| article html file updated | 4 May 2019 00:08 CEST | Update | - |
| article html file updated | 1 June 2017 11:06 CEST | Update | - |
| article html file updated | 8 May 2017 12:47 CEST | Original file | - |
| article xml uploaded. | 8 May 2017 12:46 CEST | Original file | https://www.mdpi.com/1422-0067/18/5/939/xml |
| article pdf uploaded. | 8 May 2017 12:46 CEST | Updated version of record | https://www.mdpi.com/1422-0067/18/5/939/pdf |
| article pdf uploaded. | 29 April 2017 12:28 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/5/939/pdf-vor |
