| article html file updated | 9 February 2020 03:16 CET | Update | https://www.mdpi.com/1422-0067/19/1/257 |
| article html file updated | 29 September 2019 23:20 CEST | Update | - |
| article html file updated | 2 May 2019 01:49 CEST | Update | - |
| article html file updated | 18 April 2019 00:06 CEST | Update | - |
| article html file updated | 28 March 2019 16:03 CET | Update | - |
| article html file updated | 2 February 2018 10:12 CET | Update | - |
| article html file updated | 18 January 2018 08:59 CET | Update | - |
| article xml uploaded. | 18 January 2018 08:58 CET | Update | https://www.mdpi.com/1422-0067/19/1/257/xml |
| article xml uploaded. | 18 January 2018 08:58 CET | Update | - |
| article pdf uploaded. | 18 January 2018 08:58 CET | Updated version of record | https://www.mdpi.com/1422-0067/19/1/257/pdf |
| article html file updated | 16 January 2018 16:43 CET | Original file | - |
| article xml uploaded. | 16 January 2018 16:42 CET | Update | - |
| article xml uploaded. | 16 January 2018 16:42 CET | Original file | - |
| article pdf uploaded. | 16 January 2018 16:40 CET | Version of Record | https://www.mdpi.com/1422-0067/19/1/257/pdf-vor |
