Table:
Syncope
Other names	Fainting, passing out, swooning
Pronunciation

/ˈsɪŋkəpi/ SING-kə-pee

Specialty	Neurology, cardiology
Symptoms	Loss of consciousness and muscle strength
Usual onset	Fast onset
Duration	Short duration
Types	Cardiac, reflex, orthostatic hypotension
Causes	Decrease in blood flow to brain
Diagnostic method	Medical history, physical examination, electrocardiogram
Treatment	Based on underlying cause
Prognosis	Depends on underlying cause
Frequency	~5 per 1,000 per year

Based on the table image, extract the cell contents located in the 13th row. Output the cell values in a row as JSON in the format {"row_id":"<row index>", "cell_list":"<a list of cells in this row>"}, e.g., {"row_id":"3", "cell_list": ["123.89", "News gathering", "selected tools"]}.

The target cell values of the 13th row: {"row_id": "13", "cell_list": ['Frequency', '~5 per 1,000 per year']}