function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Al-Handal, Adil Y. & Torstensson, Anders & Wulff, Angela', 8],
    ['Alakananda, B. & Mahesh, M. K. & Hamilton, Paul B. & Supriya, G.', 2],
    ['Cid-Rodriguez, Maria & Gonzalez-Paz, Lorena & Delgado, Cristina', 1],
    ['Ferreira da Silva, Juliana & Oliveira, Maria Angélica', 7],
    ['GRAEFF, C. L. & KOCIOLEK, J. P. & RUSHFORTH, S. R.', 1],
    ['Joh, Gyeongje', 4],
    ['Lobban, Christopher S.', 1],
    ['Novis, Phil M. & Braidwood, Jasmine & Kilroy, Cathy', 2],
    ['Olszynski, Rafal M. & Zakrzewski, Piotr K. & Rimet, Frederic', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=29)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);