function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Broad, Gavin R.', 128],
    ['Choi, Jin-Kyung & Lee, Jong-Wook', 28],
    ['Di Giovanni, Filippo & Reshchikov, Alexey & Riedel, Matthias', 2],
    ['Gadallah, N. S. & Ghahari, H. & Monaem, R. & Jussila, R.', 1],
    ['Horstmann, K.', 109],
    ['Kolarov, J.', 10],
    ['Madl, Michael & S, Osprynchotus & H, Afrobystra', 1],
    ['Moreno, Alejandra González - & Bordera, Santiago', 1],
    ['Plecas, Milan & Zikic, Vladimir & Kocic, Korana', 1],
    ['Riedel & Pénigot & Schwarz & Diller & Johansson & Japoshvili, G.', 30],
    ['Riedel, Matthias & Diller, Erich & Japoshvili, George', 8],
    ['Rousse, Pascal & Villemant, Claire', 2],
    ['Schwarz, Martin & Holy, Kamil', 1],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 1],
    ['Vas, Zoltán & Feizi, Ali & Talebi, Ali Asghar', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=325)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);