| article html file updated | 12 February 2020 13:53 CET | Update | https://www.mdpi.com/2224-2708/8/2/30 |
| article html file updated | 20 October 2019 11:03 CEST | Update | N/A |
| article html file updated | 5 July 2019 13:22 CEST | Update | N/A |
| article html file updated | 5 July 2019 09:17 CEST | Update | N/A |
| article html file updated | 6 June 2019 09:23 CEST | Update | N/A |
| article pdf uploaded. | 6 June 2019 09:00 CEST | Updated version of record | https://www.mdpi.com/2224-2708/8/2/30/pdf |
| article xml file uploaded | 6 June 2019 08:59 CEST | Update | https://www.mdpi.com/2224-2708/8/2/30/xml |
| article html file updated | 21 May 2019 11:01 CEST | Original file | N/A |
| article pdf uploaded. | 21 May 2019 11:00 CEST | Updated version of record | https://www.mdpi.com/2224-2708/8/2/30/pdf-vor |
| article xml file uploaded | 21 May 2019 11:00 CEST | Update | N/A |
| article pdf uploaded. | 20 May 2019 17:36 CEST | Version of Record | https://www.mdpi.com/2224-2708/8/2/30/pdf-vor |
| article xml file uploaded | 20 May 2019 17:36 CEST | Original file | N/A |
