| article html file updated | 8 February 2020 00:09 CET | Update | https://www.mdpi.com/2073-4344/7/3/72 |
| article html file updated | 23 September 2019 12:15 CEST | Update | N/A |
| article html file updated | 4 May 2019 09:41 CEST | Update | N/A |
| article html file updated | 28 March 2017 03:04 CEST | Update | N/A |
| article html file updated | 24 February 2017 06:42 CET | Original file | N/A |
| article xml uploaded. | 24 February 2017 06:40 CET | Original file | https://www.mdpi.com/2073-4344/7/3/72/xml |
| article pdf uploaded. | 24 February 2017 06:40 CET | Version of Record | https://www.mdpi.com/2073-4344/7/3/72/pdf |
