| article html file updated | 11 February 2020 15:38 CET | Update | https://www.mdpi.com/1999-5903/11/2/42 |
| article html file updated | 14 October 2019 21:40 CEST | Update | - |
| article html file updated | 26 April 2019 17:35 CEST | Update | - |
| article html file updated | 12 April 2019 13:32 CEST | Update | - |
| article html file updated | 3 April 2019 19:29 CEST | Update | - |
| article html file updated | 1 March 2019 14:51 CET | Update | - |
| article html file updated | 28 February 2019 22:34 CET | Update | - |
| article html file updated | 15 February 2019 02:46 CET | Update | - |
| article xml uploaded. | 15 February 2019 02:44 CET | Update | https://www.mdpi.com/1999-5903/11/2/42/xml |
| article pdf uploaded. | 15 February 2019 02:44 CET | Updated version of record | https://www.mdpi.com/1999-5903/11/2/42/pdf |
| article xml file uploaded | 15 February 2019 02:44 CET | Update | - |
| article pdf uploaded. | 15 February 2019 02:41 CET | Updated version of record | https://www.mdpi.com/1999-5903/11/2/42/pdf-vor |
| article xml uploaded. | 15 February 2019 02:41 CET | Update | - |
| article xml file uploaded | 15 February 2019 02:41 CET | Update | - |
| article html file updated | 13 February 2019 10:51 CET | Original file | - |
| article pdf uploaded. | 13 February 2019 10:48 CET | Version of Record | https://www.mdpi.com/1999-5903/11/2/42/pdf-vor |
| article xml uploaded. | 13 February 2019 10:48 CET | Update | - |
| article xml file uploaded | 13 February 2019 10:48 CET | Original file | - |