| article html file updated | 12 February 2020 09:12 CET | Update | https://www.mdpi.com/2306-5729/4/2/60 |
| article html file updated | 19 October 2019 08:49 CEST | Update | N/A |
| article html file updated | 4 July 2019 17:53 CEST | Update | N/A |
| article html file updated | 30 May 2019 10:34 CEST | Original file | N/A |
| article pdf uploaded. | 30 May 2019 10:32 CEST | Updated version of record | https://www.mdpi.com/2306-5729/4/2/60/pdf |
| article xml uploaded. | 30 May 2019 10:32 CEST | Update | https://www.mdpi.com/2306-5729/4/2/60/xml |
| article xml file uploaded | 30 May 2019 10:32 CEST | Update | N/A |
| article pdf uploaded. | 1 May 2019 06:12 CEST | Version of Record | https://www.mdpi.com/2306-5729/4/2/60/pdf-vor |
| article xml file uploaded | 1 May 2019 06:12 CEST | Original file | N/A |
