function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abdollahi, Tandis & Jalalizand, Ali Reza & Mozaffarian, Fariba', 5],
    ['Aguin-Pombo, Dora & Freitas, Carlos', 3],
    ['Fieber, Franz Xaver', 1],
    ['Khatri, Imran & Webb, Michael D.', 2],
    ['Mozaffarian, Fariba', 2],
    ['Mozaffarian, Fariba & Wilson, Michael R.', 12],
    ['Naveed, Hassan & Zhang, Yalin', 5],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 2],
    ['Tishechkin, D. Yu.', 1],
    ['Yalin, Zhang & Lin, Lu & Kwon, Yong Jung', 28]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=61)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);