| article html file updated | 8 February 2020 22:04 CET | Update | https://www.mdpi.com/1422-0067/18/12/2506 |
| article html file updated | 28 September 2019 17:17 CEST | Update | N/A |
| article html file updated | 2 May 2019 13:01 CEST | Update | N/A |
| article html file updated | 18 April 2019 10:40 CEST | Update | N/A |
| article html file updated | 2 January 2018 09:09 CET | Update | N/A |
| article html file updated | 23 November 2017 15:46 CET | Original file | N/A |
| article xml uploaded. | 23 November 2017 15:44 CET | Original file | https://www.mdpi.com/1422-0067/18/12/2506/xml |
| article pdf uploaded. | 23 November 2017 15:44 CET | Version of Record | https://www.mdpi.com/1422-0067/18/12/2506/pdf |
