| article html file updated | 7 February 2020 21:41 CET | Update | https://www.mdpi.com/1422-0067/18/1/187 |
| article html file updated | 22 September 2019 22:35 CEST | Update | N/A |
| article html file updated | 4 May 2019 14:43 CEST | Update | N/A |
| article html file updated | 8 February 2017 11:09 CET | Update | N/A |
| article html file updated | 18 January 2017 09:21 CET | Original file | N/A |
| article xml uploaded. | 18 January 2017 09:20 CET | Original file | https://www.mdpi.com/1422-0067/18/1/187/xml |
| article pdf uploaded. | 18 January 2017 09:20 CET | Version of Record | https://www.mdpi.com/1422-0067/18/1/187/pdf |