function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ainsworth, Ruth', 2],
    ['Brigitte, Planade & Odile, Bain & Jean-Paul, Lena & Pierre, Joly', 2],
    ['Bursey, Charles R. & Goldberg, Stephen R. & Telford, Sam R.', 1],
    ['Carreno, Ramon A.', 3],
    ['Dale, P. S.', 1],
    ['De Araujo Filho, João A. & Brito, Samuel V.', 1],
    ['Ferreira, Antonio Carlos Santos & Vieira, Fabiano Matos', 2],
    ['Guo, Mingxia & Xing, Lida & Wang, Bo & Zhang, Weiwei', 2],
    ['Lunaschi, Lia I. & Álvarez, Victor Hugo Merlo', 2],
    ['Moravec, František & Van As, Liesl L.', 3],
    ['Oca, Edgar Uriel Garduno-Montes de & Lopez-Caballero, Jorge D.', 3],
    ['Phillips, Gary & Moulton, John K. & Bernard, Ernest C.', 6],
    ['Rahimian, Hassan & Pazoki, Samaneh & Habashi, Sima Abbasi', 4],
    ['Rusconi, José Matias & Achinelly, Maria Fernanda', 2],
    ['Shah, Manjur', 4],
    ['Other (13)', 13]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=51)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);