| article html file updated | 10 October 2020 03:11 CEST | Update | https://www.mdpi.com/2227-9717/8/2/136 |
| article html file updated | 6 March 2020 21:04 CET | Update | - |
| article html file updated | 29 February 2020 08:06 CET | Original file | - |
| article xml uploaded. | 29 February 2020 08:05 CET | Update | https://www.mdpi.com/2227-9717/8/2/136/xml |
| article pdf uploaded. | 22 January 2020 10:39 CET | Updated version of record | https://www.mdpi.com/2227-9717/8/2/136/pdf |
| article pdf uploaded. | 21 January 2020 16:16 CET | Version of Record | https://www.mdpi.com/2227-9717/8/2/136/pdf-vor |
| article xml file uploaded | 21 January 2020 16:16 CET | Original file | - |
