| article html file updated | 8 February 2020 00:31 CET | Update | https://www.mdpi.com/1422-0067/18/3/534 |
| article html file updated | 23 September 2019 14:20 CEST | Update | - |
| article html file updated | 4 May 2019 08:51 CEST | Update | - |
| article html file updated | 30 March 2017 10:34 CEST | Update | - |
| article html file updated | 1 March 2017 09:56 CET | Original file | - |
| article xml uploaded. | 1 March 2017 09:55 CET | Original file | https://www.mdpi.com/1422-0067/18/3/534/xml |
| article pdf uploaded. | 1 March 2017 09:55 CET | Version of Record | https://www.mdpi.com/1422-0067/18/3/534/pdf |
