| article html file updated | 9 February 2020 01:07 CET | Update | https://www.mdpi.com/1422-0067/19/1/52 |
| article html file updated | 29 September 2019 11:16 CEST | Update | - |
| article html file updated | 2 May 2019 06:18 CEST | Update | - |
| article html file updated | 18 April 2019 04:15 CEST | Update | - |
| article html file updated | 28 March 2019 10:58 CET | Update | - |
| article html file updated | 2 February 2018 09:29 CET | Update | - |
| article html file updated | 26 December 2017 07:07 CET | Update | - |
| article xml uploaded. | 26 December 2017 07:06 CET | Update | https://www.mdpi.com/1422-0067/19/1/52/xml |
| article xml uploaded. | 26 December 2017 07:06 CET | Update | - |
| article pdf uploaded. | 26 December 2017 07:06 CET | Updated version of record | https://www.mdpi.com/1422-0067/19/1/52/pdf |
| article html file updated | 25 December 2017 06:10 CET | Original file | - |
| article xml uploaded. | 25 December 2017 06:09 CET | Original file | - |
| article pdf uploaded. | 25 December 2017 06:09 CET | Version of Record | https://www.mdpi.com/1422-0067/19/1/52/pdf-vor |
