function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aguin-Pombo, Dora & Freitas, Carlos', 1],
    ['Gou, Guangli & Xing, Jichun', 3],
    ['Jat, Monica & Meshram, Naresh M. & Dey, Debjani', 2],
    ['Li, Z. Z. & Chen, X. S.', 3],
    ['Meshram, Naresh M.', 3],
    ['Meshram, Naresh M. & Ramamurthy, V. V.', 1],
    ['Viraktamath, C. A. & Wilson, Michael R.', 4],
    ['Webb, M. D. & Viraktamath, C. A.', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=22)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 8, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);