| article html file updated | 8 February 2020 22:57 CET | Update | https://www.mdpi.com/1422-0067/18/12/2601 |
| article html file updated | 28 September 2019 22:42 CEST | Update | - |
| article html file updated | 2 May 2019 11:03 CEST | Update | - |
| article html file updated | 18 April 2019 08:41 CEST | Update | - |
| article html file updated | 2 January 2018 09:24 CET | Update | - |
| article html file updated | 2 December 2017 12:29 CET | Original file | - |
| article xml uploaded. | 2 December 2017 12:28 CET | Update | https://www.mdpi.com/1422-0067/18/12/2601/xml |
| article xml uploaded. | 2 December 2017 12:28 CET | Update | - |
| article xml uploaded. | 2 December 2017 12:27 CET | Original file | - |
| article pdf uploaded. | 2 December 2017 12:27 CET | Version of Record | https://www.mdpi.com/1422-0067/18/12/2601/pdf |
