| article html file updated | 9 February 2020 01:32 CET | Update | https://www.mdpi.com/1422-0067/19/1/103 |
| article html file updated | 29 September 2019 13:40 CEST | Update | - |
| article html file updated | 2 May 2019 05:24 CEST | Update | - |
| article html file updated | 18 April 2019 03:26 CEST | Update | - |
| article html file updated | 28 March 2019 12:00 CET | Update | - |
| article html file updated | 2 February 2018 09:36 CET | Update | - |
| article html file updated | 29 December 2017 14:39 CET | Original file | - |
| article xml uploaded. | 29 December 2017 14:37 CET | Update | https://www.mdpi.com/1422-0067/19/1/103/xml |
| article xml uploaded. | 29 December 2017 14:37 CET | Original file | - |
| article pdf uploaded. | 29 December 2017 14:37 CET | Version of Record | https://www.mdpi.com/1422-0067/19/1/103/pdf |
