| article html file updated | 8 February 2020 01:26 CET | Update | https://www.mdpi.com/2073-4344/7/3/87 |
| article html file updated | 23 September 2019 19:41 CEST | Update | N/A |
| article html file updated | 4 May 2019 06:47 CEST | Update | N/A |
| article html file updated | 28 March 2017 03:25 CEST | Update | N/A |
| article html file updated | 17 March 2017 03:18 CET | Original file | N/A |
| article xml uploaded. | 17 March 2017 03:16 CET | Update | https://www.mdpi.com/2073-4344/7/3/87/xml |
| article pdf uploaded. | 17 March 2017 03:16 CET | Updated version of record | https://www.mdpi.com/2073-4344/7/3/87/pdf |
| article pdf uploaded. | 14 March 2017 15:43 CET | Version of Record | https://www.mdpi.com/2073-4344/7/3/87/pdf-vor |
