function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Banks, Nathan', 10],
    ['Emberton, Kenneth C.', 6],
    ['Jie, Lulan & Liang, Feiyang & Liu, Xingyue', 8],
    ['Kentjonowati, Endang Sri', 28],
    ['Kentjonowati, Endang Sri & New, T. R.', 17],
    ['Liu, Lu-Xi & Yoshizawa, Kazunori & Li, Fa-Sheng & Liu, Zhi-Qi', 7],
    ['Liu, Luxi & Li, Fasheng & Liu, Zhiqi', 8],
    ['Neto, Alberto Moreira da Silva & Aldrete, Alfonso Neri García', 26],
    ['Obando, Ranulfo González & García, Alfonso N.', 11],
    ['Ostrovsky, A. M.', 8],
    ['Román-P, Cristian & Obando, Ranulfo González', 9],
    ['Thornton, Ian W. B.', 17],
    ['Yoshizawa, Kazunori & Aldrete, Alfonso Neri García', 59],
    ['Yoshizawa, Kazunori & Lienhard, Charles', 7],
    ['Yoshizawa, Kazunori & Lienhard, Charles & Abd, Idris', 23],
    ['Other (26)', 56]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=300)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);