| article html file updated | 8 February 2020 12:59 CET | Update | https://www.mdpi.com/1999-5903/9/3/45 |
| article html file updated | 26 September 2019 09:55 CEST | Update | N/A |
| article html file updated | 3 May 2019 08:03 CEST | Update | N/A |
| article html file updated | 27 March 2019 19:41 CET | Update | N/A |
| article html file updated | 30 September 2017 14:01 CEST | Update | N/A |
| article html file updated | 24 August 2017 04:12 CEST | Update | N/A |
| article xml uploaded. | 24 August 2017 04:11 CEST | Update | https://www.mdpi.com/1999-5903/9/3/45/xml |
| article xml uploaded. | 24 August 2017 04:11 CEST | Update | N/A |
| article pdf uploaded. | 24 August 2017 04:11 CEST | Updated version of record | https://www.mdpi.com/1999-5903/9/3/45/pdf |
| article html file updated | 7 August 2017 12:29 CEST | Original file | N/A |
| article pdf uploaded. | 7 August 2017 12:28 CEST | Version of Record | https://www.mdpi.com/1999-5903/9/3/45/pdf-vor |