function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aguilar-Mendez, Mario J. & Rosas-Mejia, Madai', 1],
    ['Aswaj, Punnath & Sahanashree, Ramakrishnaiah', 2],
    ['Borowiec, Marek L.', 1],
    ['Du, Congcong & Xu, Zhenghui & Chen, Zhilin', 9],
    ['Forel, A.', 1],
    ['Jaitrong, W. & Wiwatwitaya, D. & Yamane, Sk.', 2],
    ['Longino, John T. & Branstetter, Michael G.', 58]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=74)',
    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);