| article html file updated | 9 February 2020 14:04 CET | Update | https://www.mdpi.com/1999-4907/9/4/211 |
| article html file updated | 2 October 2019 16:25 CEST | Update | - |
| article html file updated | 1 May 2019 02:59 CEST | Update | - |
| article html file updated | 17 April 2019 03:26 CEST | Update | - |
| article html file updated | 29 March 2019 16:16 CET | Update | - |
| article html file updated | 1 May 2018 11:38 CEST | Update | - |
| article html file updated | 18 April 2018 11:29 CEST | Update | - |
| article xml uploaded. | 18 April 2018 11:28 CEST | Update | https://www.mdpi.com/1999-4907/9/4/211/xml |
| article pdf uploaded. | 18 April 2018 11:28 CEST | Updated version of record | https://www.mdpi.com/1999-4907/9/4/211/pdf |
| article html file updated | 17 April 2018 07:55 CEST | Original file | - |
| article pdf uploaded. | 17 April 2018 07:54 CEST | Version of Record | https://www.mdpi.com/1999-4907/9/4/211/pdf-vor |
| article xml file uploaded | 17 April 2018 07:54 CEST | Original file | - |
