function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Boudinot, Brendon E. & Bock, Bernhard L. & Weingardt, Michael', 5],
    ['D\'Ávila, Sthefane & Simone, Luiz Ricardo L.', 17],
    ['García Aldrete, Alfonso N. & Neto, Alberto Moreira Da Silva', 1],
    ['Huang, Jianhua & Zheng, Zhemin & Huang, Yuan & Zhou, Shanyi', 2],
    ['Lienhard, Charles & Baz, Arturo', 6],
    ['Ramesh, Gurusamy & Babu, Rajappa & Subramanian, Kumarapuram A.', 2],
    ['Silva-Neto, Alberto Moreira da & Aldrete, Alfonso Neri García', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=34)',
    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);