| article html file updated | 12 February 2020 13:48 CET | Update | https://www.mdpi.com/2076-0752/8/2/66 |
| article html file updated | 4 July 2019 16:34 CEST | Update | N/A |
| article html file updated | 17 June 2019 06:00 CEST | Update | N/A |
| article pdf uploaded. | 17 June 2019 05:59 CEST | Updated version of record | https://www.mdpi.com/2076-0752/8/2/66/pdf |
| article xml uploaded. | 17 June 2019 05:59 CEST | Update | https://www.mdpi.com/2076-0752/8/2/66/xml |
| article xml file uploaded | 17 June 2019 05:59 CEST | Update | N/A |
| article html file updated | 20 May 2019 14:47 CEST | Original file | N/A |
| article pdf uploaded. | 20 May 2019 14:46 CEST | Version of Record | https://www.mdpi.com/2076-0752/8/2/66/pdf-vor |
| article xml file uploaded | 20 May 2019 14:46 CEST | Original file | N/A |
