function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Al-Handal, Adil Y. & Torstensson, Anders & Wulff, Angela', 2],
    ['Cristina Delgado & M. Helena Novais & Saúl Blanco', 2],
    ['De, Bart Van & Vijver & Mertens, Adrienne & Ector, Luc', 10],
    ['Ferreira da Silva, Juliana & Oliveira, Maria Angélica', 2],
    ['GRAEFF, C. L. & KOCIOLEK, J. P. & RUSHFORTH, S. R.', 2],
    ['Joh, Gyeongje', 2],
    ['Krahn, Kim J. & Schwarz, Anja & Wetzel, Carlos E.', 6],
    ['Levkov, Zlatko & Williams, David M.', 4],
    ['Liu, Qi & Glushchenko, Anton & Kulikovskiy, Maxim', 8],
    ['Morales, Eduardo A. & Wetzel, Carlos E. & Ector, Luc', 10],
    ['Neplyukhina, Alisa & Chudaev, Dmitry', 2],
    ['Ruwer, Daiane Trevisan & Rodrigues, Liliana', 3],
    ['Vijver, Bart Van De', 2],
    ['Vijver, Bart Van De & Morales, Eduardo A. & Kopalová, Kateřina', 3],
    ['Williams, David M. & Vijver, Bart Van De', 4],
    ['Other (13)', 14]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=76)',
    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);