| article html file updated | 8 February 2020 23:59 CET | Update | https://www.mdpi.com/1422-0067/18/12/2701 |
| article html file updated | 29 September 2019 04:36 CEST | Update | N/A |
| article html file updated | 2 May 2019 08:47 CEST | Update | N/A |
| article html file updated | 18 April 2019 06:33 CEST | Update | N/A |
| article html file updated | 2 January 2018 09:40 CET | Update | N/A |
| article html file updated | 13 December 2017 14:24 CET | Original file | N/A |
| article xml uploaded. | 13 December 2017 14:23 CET | Original file | https://www.mdpi.com/1422-0067/18/12/2701/xml |
| article pdf uploaded. | 13 December 2017 14:23 CET | Version of Record | https://www.mdpi.com/1422-0067/18/12/2701/pdf |
