function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anderson, William D.', 4],
    ['Kamohara, T.', 1],
    ['Katayama, M. & Masuda, Hajime', 1],
    ['Pinheiro, Hudson T. & Rocha, Claudia & Rocha, Luiz A.', 1],
    ['Pyle, Richard L. & Greene, Brian D. & Copus, Joshua M.', 1],
    ['Pyle, Richard L. & Greene, Brian D. & Kosaki, Randall K.', 1],
    ['William D. Anderson, Jr.', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=13)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 7, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);