| article html file updated | 8 February 2020 04:19 CET | Update | https://www.mdpi.com/1422-0067/18/5/899 |
| article html file updated | 24 September 2019 11:55 CEST | Update | - |
| article html file updated | 4 May 2019 00:52 CEST | Update | - |
| article html file updated | 1 June 2017 11:00 CEST | Update | - |
| article html file updated | 25 April 2017 12:47 CEST | Original file | - |
| article xml uploaded. | 25 April 2017 12:46 CEST | Original file | https://www.mdpi.com/1422-0067/18/5/899/xml |
| article pdf uploaded. | 25 April 2017 12:46 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/5/899/pdf |
