If you want to start simply, the basic features are easy to learn and use. As your requirements change, you can begin using additional features without ever facing the cost, disruption and data loss involved in changing software.
a:3:{i:0;a:2:{s:4:"name";s:9:"Function:";s:3:"val";s:10:"management";}i:1;a:2:{s:4:"name";s:22:"Medical establishment:";s:3:"val";s:14:"dentist office";}i:2;a:2:{s:4:"name";s:19:"Application domain:";s:3:"val";s:7:"medical";}}