function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Giglio, Matías L. & Salcedo, Paula Flórez & Watkins, Maren', 1],
    ['Jimi, Naoto & Minokawa, Takuya & Miura, Toru & Kajihara, Hiroshi', 1],
    ['Kajihara, Hiroshi & Ikoma, Maho & Yamasaki, Hiroshi', 1],
    ['Kerbl, Alexandra & Vereide, Emilie Hernes & Gonzalez, Brett C.', 3],
    ['Mikac, Barbara', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=7)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 5, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);