Generate a correctly punctuated version of the following text: Chronicphase symptoms of Chagas disease may be irregular heartbeats palpitations fainting syncope cardiomyopathy congestive heart failure short of breath dyspnea emphysema stroke sudden death chronic abdominal pain chronic constipation dilated colon and difficulty swallowing
* Chronic-phase symptoms of Chagas disease may be irregular heartbeats, palpitations, fainting (syncope), cardiomyopathy, congestive heart failure, short of breath (dyspnea), emphysema, stroke, sudden death, chronic abdominal pain, chronic constipation, dilated colon, and difficulty swallowing.