| article html file updated | 8 February 2020 22:31 CET | Update | https://www.mdpi.com/1422-0067/18/12/2556 |
| article html file updated | 28 September 2019 19:57 CEST | Update | N/A |
| article html file updated | 2 May 2019 12:03 CEST | Update | N/A |
| article html file updated | 18 April 2019 09:39 CEST | Update | N/A |
| article html file updated | 2 January 2018 09:17 CET | Update | N/A |
| article html file updated | 4 December 2017 10:04 CET | Update | N/A |
| article xml uploaded. | 4 December 2017 10:02 CET | Update | https://www.mdpi.com/1422-0067/18/12/2556/xml |
| article pdf uploaded. | 4 December 2017 10:02 CET | Updated version of record | https://www.mdpi.com/1422-0067/18/12/2556/pdf |
| article html file updated | 4 December 2017 02:45 CET | Update | N/A |
| article xml uploaded. | 4 December 2017 02:44 CET | Update | N/A |
| article pdf uploaded. | 4 December 2017 02:44 CET | Updated version of record | https://www.mdpi.com/1422-0067/18/12/2556/pdf-vor |
| article html file updated | 28 November 2017 17:09 CET | Original file | N/A |
| article xml uploaded. | 28 November 2017 17:07 CET | Original file | N/A |
| article pdf uploaded. | 28 November 2017 17:07 CET | Version of Record | https://www.mdpi.com/1422-0067/18/12/2556/pdf-vor |
