| article html file updated | 9 February 2020 12:12 CET | Update | https://www.mdpi.com/2076-0752/7/2/13 |
| article html file updated | 1 May 2019 06:45 CEST | Update | - |
| article html file updated | 17 April 2019 06:48 CEST | Update | - |
| article html file updated | 29 March 2019 11:58 CET | Update | - |
| article html file updated | 27 June 2018 19:42 CEST | Update | - |
| article html file updated | 3 April 2018 13:43 CEST | Update | - |
| article html file updated | 3 April 2018 12:54 CEST | Update | - |
| article xml uploaded. | 3 April 2018 03:46 CEST | Update | https://www.mdpi.com/2076-0752/7/2/13/xml |
| article pdf uploaded. | 3 April 2018 03:46 CEST | Updated version of record | https://www.mdpi.com/2076-0752/7/2/13/pdf |
| article html file updated | 2 April 2018 23:36 CEST | Original file | - |
| article pdf uploaded. | 2 April 2018 09:53 CEST | Version of Record | https://www.mdpi.com/2076-0752/7/2/13/pdf-vor |
