| article html file updated | 7 February 2020 22:04 CET | Update | https://www.mdpi.com/2073-445X/6/1/8 |
| article html file updated | 23 September 2019 00:42 CEST | Update | N/A |
| article html file updated | 4 May 2019 13:53 CEST | Update | N/A |
| article html file updated | 28 March 2017 11:55 CEST | Update | N/A |
| article html file updated | 4 February 2017 07:21 CET | Update | N/A |
| article xml uploaded. | 4 February 2017 07:20 CET | Update | https://www.mdpi.com/2073-445X/6/1/8/xml |
| article pdf uploaded. | 4 February 2017 07:20 CET | Updated version of record | https://www.mdpi.com/2073-445X/6/1/8/pdf |
| article html file updated | 23 January 2017 11:37 CET | Original file | N/A |
| article xml uploaded. | 23 January 2017 11:36 CET | Original file | N/A |
| article pdf uploaded. | 23 January 2017 11:36 CET | Version of Record | https://www.mdpi.com/2073-445X/6/1/8/pdf-vor |
