function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bertsch, Hans & Gosliner, Terrence M.', 1],
    ['Epstein, Hannah E. & Hallas, Joshua M. & Johnson, Rebecca Fay', 19],
    ['Johnson Aângel Valdeâs, Rebecca F.', 4],
    ['Mehrotra, Rahul & A. Caballer Gutierrez, Manuel & M. Scott, Chad', 10],
    ['Nithyanandan, Manickam & Al-Kandari, Manal & Mantha, Gopikrishna', 2],
    ['Rudman, William B.', 1],
    ['Tibiriçá, Yara & Pola, Marta & Cervera, Juan Lucas', 14],
    ['Wilson, Nerida G. & Willan, Richard C.', 1],
    ['Yonow, Nathalie', 2],
    ['Yonow, Nathalie & Anderson, R. Charles & Buttress, Susan G.', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=56)',
    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);