Print San Diego-based SpineZone, founded by two orthopedic surgeons to help people reduce back and neck pain without undergoing surgery, said Thursday that it has raised $12 million in a Series A round of venture capital funding. Polaris Partners and Providence Ventures led the round, with participation from Martin Ventures. The company will use the money to expand its geographic footprint — currently concentrated in San Diego and Orange counties — into other cities in the West. Founded by physician brothers Kian and Kamshad Raiszadeh, SpineZone has developed a personalized, non-operative...