| article html file updated | 8 February 2020 01:38 CET | Update | https://www.mdpi.com/2073-4352/7/3/87 |
| article html file updated | 23 September 2019 20:49 CEST | Update | - |
| article html file updated | 4 May 2019 06:20 CEST | Update | - |
| article html file updated | 28 March 2017 09:10 CEST | Update | - |
| article html file updated | 19 March 2017 02:59 CET | Original file | - |
| article xml uploaded. | 19 March 2017 02:58 CET | Original file | https://www.mdpi.com/2073-4352/7/3/87/xml |
| article pdf uploaded. | 19 March 2017 02:58 CET | Updated version of record | https://www.mdpi.com/2073-4352/7/3/87/pdf |
| article pdf uploaded. | 16 March 2017 15:27 CET | Version of Record | https://www.mdpi.com/2073-4352/7/3/87/pdf-vor |
